{"id":8971,"date":"2017-04-27T21:51:38","date_gmt":"2017-04-27T21:51:38","guid":{"rendered":"https:\/\/courses.lumenlearning.com\/prealgebra\/?post_type=chapter&#038;p=8971"},"modified":"2020-07-02T05:42:54","modified_gmt":"2020-07-02T05:42:54","slug":"problem-set-decimals","status":"publish","type":"chapter","link":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/chapter\/problem-set-decimals\/","title":{"raw":"Problem Set: Decimals","rendered":"Problem Set: Decimals"},"content":{"raw":"<h2>Writing and Identifying Characteristics of Decimals<\/h2>\r\n<h3>Name Decimals<\/h3>\r\nIn the following exercises, name each decimal.\r\n<ol>\r\n \t<li>[latex]5.5[\/latex]\r\n[reveal-answer q=\"260862\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"260862\"]five and five tenths[\/hidden-answer]<\/li>\r\n \t<li>[latex]7.8[\/latex]<\/li>\r\n \t<li>[latex]5.01[\/latex]\r\n[reveal-answer q=\"78722\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"78722\"]five and one hundredth[\/hidden-answer]<\/li>\r\n \t<li>[latex]14.02[\/latex]<\/li>\r\n \t<li>[latex]8.71[\/latex]\r\n[reveal-answer q=\"9000\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"9000\"]eight and seventy-one hundredths[\/hidden-answer]<\/li>\r\n \t<li>[latex]2.64[\/latex]<\/li>\r\n \t<li>[latex]0.002[\/latex]\r\n[reveal-answer q=\"710387\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"710387\"]two thousandths[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.005[\/latex]<\/li>\r\n \t<li>[latex]0.381[\/latex]\r\n[reveal-answer q=\"15985\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"15985\"]three hundred eighty-one thousandths[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.479[\/latex]<\/li>\r\n \t<li>[latex]-17.9[\/latex]\r\n[reveal-answer q=\"6472\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"6472\"]negative seventeen and nine tenths[\/hidden-answer]<\/li>\r\n \t<li>[latex]-31.4[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Write Decimals<\/h3>\r\nIn the following exercises, translate the name into a decimal number.\r\n<ol>\r\n \t<li>Eight and three hundredths\r\n[reveal-answer q=\"906682\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"906682\"]8.03[\/hidden-answer]<\/li>\r\n \t<li>Nine and seven hundredths<\/li>\r\n \t<li>Twenty-nine and eighty-one hundredths\r\n[reveal-answer q=\"531061\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"531061\"]29.81[\/hidden-answer]<\/li>\r\n \t<li>Sixty-one and seventy-four hundredths<\/li>\r\n \t<li>Seven tenths\r\n[reveal-answer q=\"11799\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"11799\"]0.7[\/hidden-answer]<\/li>\r\n \t<li>Six tenths<\/li>\r\n \t<li>One thousandth\r\n[reveal-answer q=\"120793\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"120793\"]0.001[\/hidden-answer]<\/li>\r\n \t<li>Nine thousandths<\/li>\r\n \t<li>Twenty-nine thousandths\r\n[reveal-answer q=\"98054\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"98054\"]0.029[\/hidden-answer]<\/li>\r\n \t<li>Thirty-five thousandths<\/li>\r\n \t<li>Negative eleven and nine ten-thousandths\r\n[reveal-answer q=\"52877\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"52877\"]\u221211.0009[\/hidden-answer]<\/li>\r\n \t<li>Negative fifty-nine and two ten-thousandths<\/li>\r\n \t<li>Thirteen and three hundred ninety-five ten thousandths\r\n[reveal-answer q=\"401588\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"401588\"]13.0395[\/hidden-answer]<\/li>\r\n \t<li>Thirty and two hundred seventy-nine thousandths<\/li>\r\n<\/ol>\r\n<h3>Convert Decimals to Fractions or Mixed Numbers<\/h3>\r\nIn the following exercises, convert each decimal to a fraction or mixed number.\r\n<ol>\r\n \t<li>[latex]1.99[\/latex]\r\n[reveal-answer q=\"488534\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"488534\"][latex]1\\Large\\frac{99}{100}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]5.83[\/latex]<\/li>\r\n \t<li>[latex]15.7[\/latex]\r\n[reveal-answer q=\"852986\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"852986\"][latex]15\\Large\\frac{7}{10}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]18.1[\/latex]<\/li>\r\n \t<li>[latex]0.239[\/latex]\r\n[reveal-answer q=\"299986\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"299986\"][latex]\\Large\\frac{239}{1000}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]0.373[\/latex]<\/li>\r\n \t<li>[latex]0.13[\/latex]\r\n[reveal-answer q=\"603357\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"603357\"][latex]\\Large\\frac{13}{100}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]0.19[\/latex]<\/li>\r\n \t<li>[latex]0.011[\/latex]\r\n[reveal-answer q=\"522496\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"522496\"][latex]\\Large\\frac{11}{1000}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]0.049[\/latex]<\/li>\r\n \t<li>[latex]-0.00007[\/latex]\r\n[reveal-answer q=\"457483\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"457483\"][latex]-\\Large\\frac{7}{100000}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]-0.00003[\/latex]<\/li>\r\n \t<li>[latex]6.4[\/latex]\r\n[reveal-answer q=\"819152\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"819152\"][latex]6\\Large\\frac{2}{5}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]5.2[\/latex]<\/li>\r\n \t<li>[latex]7.05[\/latex]\r\n[reveal-answer q=\"192449\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"192449\"][latex]7\\Large\\frac{1}{20}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]9.04[\/latex]<\/li>\r\n \t<li>[latex]4.006[\/latex]\r\n[reveal-answer q=\"816301\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"816301\"][latex]4\\Large\\frac{3}{500}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]2.008[\/latex]<\/li>\r\n \t<li>[latex]10.25[\/latex]\r\n[reveal-answer q=\"276220\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"276220\"][latex]10\\Large\\frac{1}{4}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]12.75[\/latex]<\/li>\r\n \t<li>[latex]1.324[\/latex]\r\n[reveal-answer q=\"588624\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"588624\"][latex]1\\Large\\frac{81}{250}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]2.482[\/latex]<\/li>\r\n \t<li>[latex]14.125[\/latex]\r\n[reveal-answer q=\"624852\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"624852\"][latex]14\\Large\\frac{1}{8}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]20.375[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Locate Decimals on the Number Line<\/h3>\r\nIn the following exercises, locate each number on a number line.\r\n<ol>\r\n \t<li>[latex]0.8[\/latex]\r\n[reveal-answer q=\"13983\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"13983\"]<img src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/277\/2017\/04\/24221530\/CNX_BMath_Figure_05_01_201_img.png\" alt=\"There is a number line shown with integers from negative 4 to 4. There is a red dot between 0 and 1 labeled 0.8.\" \/> [\/hidden-answer]<\/li>\r\n \t<li>[latex]0.3[\/latex]<\/li>\r\n \t<li>[latex]-0.2[\/latex]\r\n[reveal-answer q=\"586775\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"586775\"]<img src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/277\/2017\/04\/24221532\/CNX_BMath_Figure_05_01_203_img.png\" alt=\"There is a number line shown with integers from negative 4 to 4. There is a red dot between negative 1 and 0 labeled negative 0.2.\" \/>[\/hidden-answer]<\/li>\r\n \t<li>[latex]-0.9[\/latex]<\/li>\r\n \t<li>[latex]3.1[\/latex]\r\n[reveal-answer q=\"524176\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"524176\"]<img src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/277\/2017\/04\/24221533\/CNX_BMath_Figure_05_01_209_img.png\" alt=\"This is an image of a number line. It spans from negative 5 on the left to 5 on the right. To the right of 0 are tick marks with the numbers 1, 2, 3, 4, 5 on the number line. To the left of the zero are tick marks with the numbers negative 1, negative 2, negative 3, negative 4, and negative 5. A point is plotted at 3.1.\" \/>[\/hidden-answer]<\/li>\r\n \t<li>[latex]2.7[\/latex]<\/li>\r\n \t<li>[latex]-2.5[\/latex]\r\n[reveal-answer q=\"747411\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"747411\"]<img src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/277\/2017\/04\/24221536\/CNX_BMath_Figure_05_01_206_img.png\" alt=\"There is a number line shown with integers from negative 4 to 4. There is a red dot between negative 3 and negative 2 labeled negative 2.5.\" \/> [\/hidden-answer]<\/li>\r\n \t<li>[latex]-1.6[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Order Decimals<\/h3>\r\nIn the following exercises, order each of the following pairs of numbers, using [latex]&lt;\\text{or}&amp;gt[\/latex];.\r\n<ol>\r\n \t<li>[latex]0.9\\text{__}0.6[\/latex]\r\n[reveal-answer q=\"654271\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"654271\"]&gt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.7\\text{__}0.8[\/latex]<\/li>\r\n \t<li>[latex]0.37\\text{__}0.63[\/latex]\r\n[reveal-answer q=\"917694\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"917694\"]&lt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.86\\text{__}0.69[\/latex]<\/li>\r\n \t<li>[latex]0.6\\text{__}0.59[\/latex]\r\n[reveal-answer q=\"458017\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"458017\"]&gt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.27\\text{__}0.3[\/latex]<\/li>\r\n \t<li>[latex]0.91\\text{__}0.901[\/latex]\r\n[reveal-answer q=\"262490\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"262490\"]&gt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.415\\text{__}0.41[\/latex]<\/li>\r\n \t<li>[latex]-0.5\\text{__} - 0.3[\/latex]\r\n[reveal-answer q=\"729421\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"729421\"]&lt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]-0.1\\text{__} - 0.4[\/latex]<\/li>\r\n \t<li>[latex]-0.62\\text{__} - 0.619[\/latex]\r\n[reveal-answer q=\"771972\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"771972\"]&lt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]-7.31\\text{__} - 7.3[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Round Decimals<\/h3>\r\nIn the following exercises, round each number to the nearest tenth.\r\n<ol>\r\n \t<li>[latex]0.67[\/latex]\r\n[reveal-answer q=\"61001\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"61001\"]0.7[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.49[\/latex]<\/li>\r\n \t<li>[latex]2.84[\/latex]\r\n[reveal-answer q=\"177776\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"177776\"]2.8[\/hidden-answer]<\/li>\r\n \t<li>[latex]4.63[\/latex]<\/li>\r\n<\/ol>\r\nIn the following exercises, round each number to the nearest hundredth.\r\n<ol>\r\n \t<li>[latex]0.845[\/latex]\r\n[reveal-answer q=\"359218\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"359218\"]0.85[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.761[\/latex]<\/li>\r\n \t<li>[latex]5.7932[\/latex]\r\n[reveal-answer q=\"387240\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"387240\"]5.79[\/hidden-answer]<\/li>\r\n \t<li>[latex]3.6284[\/latex]<\/li>\r\n \t<li>[latex]0.299[\/latex]\r\n[reveal-answer q=\"616466\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"616466\"]0.30[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.697[\/latex]<\/li>\r\n \t<li>[latex]4.098[\/latex]\r\n[reveal-answer q=\"573136\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"573136\"]4.10[\/hidden-answer]<\/li>\r\n \t<li>[latex]7.096[\/latex]<\/li>\r\n<\/ol>\r\nIn the following exercises, round each number to the nearest \u24d0 hundredth \u24d1 tenth \u24d2 whole number.\r\n<ol>\r\n \t<li>[latex]5.781[\/latex]\r\n[reveal-answer q=\"369656\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"369656\"]\u24d0 5.78 \u24d1 5.8 \u24d2 6[\/hidden-answer]<\/li>\r\n \t<li>[latex]1.638[\/latex]<\/li>\r\n \t<li>[latex]63.479[\/latex]\r\n[reveal-answer q=\"479129\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"479129\"]\u24d0 63.48 \u24d1 63.5 \u24d2 63[\/hidden-answer]<\/li>\r\n \t<li>[latex]84.281[\/latex]<\/li>\r\n<\/ol>\r\n<div class=\"textbox exercises\">\r\n<h3>Everyday Math<\/h3>\r\n<h4>Salary Increase<\/h4>\r\nDanny got a raise and now makes [latex]{$58,965.95}[\/latex] a year. Round this number to the nearest:\r\n\u24d0 dollar\r\n\u24d1 thousand dollars\r\n\u24d2 ten thousand dollars.\r\n[reveal-answer q=\"6810\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"6810\"]\u24d0 $58,966 \u24d1 $59,000 \u24d2 $60,000[\/hidden-answer]\r\n<h4>New Car Purchase<\/h4>\r\nSelena\u2019s new car cost [latex]{$23,795.95}[\/latex]. Round this number to the nearest:\r\n<ol>\r\n \t<li>\u00a0dollar<\/li>\r\n \t<li>thousand dollars<\/li>\r\n \t<li>ten thousand dollars.<\/li>\r\n<\/ol>\r\n<h4>Sales Tax<\/h4>\r\nHyo Jin lives in San Diego. She bought a refrigerator for [latex]{$1624.99}[\/latex] and when the clerk calculated the sales tax it came out to exactly [latex]{$142.186625}[\/latex]. Round the sales tax to the nearest \u24d0 penny \u24d1 dollar.\r\n[reveal-answer q=\"197088\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"197088\"]\u24d0 $142.19 \u24d1 $142[\/hidden-answer]\r\n<h4>Sales Tax<\/h4>\r\nJennifer bought a [latex]{$1,038.99}[\/latex] dining room set for her home in Cincinnati. She calculated the sales tax to be exactly [latex]{$67.53435}[\/latex]. Round the sales tax to the nearest \u24d0 penny \u24d1 dollar.\r\n\r\n<\/div>\r\n<div class=\"textbox learning-objectives\">\r\n<h3>Writing Exercises<\/h3>\r\nHow does your knowledge of money help you learn about decimals\r\n\r\n[practice-area rows=\"4\"][\/practice-area]\r\n\r\nExplain how you write \"three and nine hundredths\" as a decimal.\r\n\r\n[practice-area rows=\"4\"][\/practice-area]\r\n\r\nJim ran a [latex]100-meter[\/latex] race in [latex]\\text{12.32 seconds}[\/latex]. Tim ran the same race in [latex]\\text{12.3 seconds}[\/latex]. Who had the faster time, Jim or Tim? How do you know?\r\n\r\n[practice-area rows=\"4\"][\/practice-area]\r\n[reveal-answer q=\"139909\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"139909\"]Tim had the faster time. 12.3 is less than 12.32, so Tim had the faster time.[\/hidden-answer]\r\n\r\nGerry saw a sign advertising postcards marked for sale at \"10 for 0.99\u00a2\"What is wrong with the advertised price?\r\n\r\n[practice-area rows=\"4\"][\/practice-area]\r\n\r\n<\/div>\r\n<h2>Operations on Decimals<\/h2>\r\n<h3>Add and Subtract Decimals<\/h3>\r\nIn the following exercises, add or subtract.\r\n<ol>\r\n \t<li>[latex]16.92+7.56[\/latex]\r\n[reveal-answer q=\"630823\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"630823\"]24.48[\/hidden-answer]<\/li>\r\n \t<li>[latex]18.37+9.36[\/latex]<\/li>\r\n \t<li>[latex]256.37 - 85.49[\/latex]\r\n[reveal-answer q=\"704159\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"704159\"]170.88[\/hidden-answer]<\/li>\r\n \t<li>[latex]248.25 - 91.29[\/latex]<\/li>\r\n \t<li>[latex]21.76 - 30.99[\/latex]\r\n[reveal-answer q=\"156089\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"156089\"]\u22129.23[\/hidden-answer]<\/li>\r\n \t<li>[latex]15.35 - 20.88[\/latex]<\/li>\r\n \t<li>[latex]37.5+12.23[\/latex]\r\n[reveal-answer q=\"941770\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"941770\"]49.73[\/hidden-answer]<\/li>\r\n \t<li>[latex]38.6+13.67[\/latex]<\/li>\r\n \t<li>[latex]-16.53 - 24.38[\/latex]\r\n[reveal-answer q=\"555673\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"555673\"]\u221240.91[\/hidden-answer]<\/li>\r\n \t<li>[latex]-19.47 - 32.58[\/latex]<\/li>\r\n \t<li>[latex]-38.69+31.47[\/latex]\r\n[reveal-answer q=\"114832\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"114832\"]\u22127.22[\/hidden-answer]<\/li>\r\n \t<li>[latex]-29.83+19.76[\/latex]<\/li>\r\n \t<li>[latex]-4.2+\\left(-9.3\\right)[\/latex]\r\n[reveal-answer q=\"971281\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"971281\"]\u221213.5[\/hidden-answer]<\/li>\r\n \t<li>[latex]-8.6+\\left(-8.6\\right)[\/latex]<\/li>\r\n \t<li>[latex]100 - 64.2[\/latex]\r\n[reveal-answer q=\"463533\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"463533\"]35.8[\/hidden-answer]<\/li>\r\n \t<li>[latex]100 - 65.83[\/latex]<\/li>\r\n \t<li>[latex]72.5 - 100[\/latex]\r\n[reveal-answer q=\"779709\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"779709\"]\u221227.5[\/hidden-answer]<\/li>\r\n \t<li>[latex]86.2 - 100[\/latex]<\/li>\r\n \t<li>[latex]15+0.73[\/latex]\r\n[reveal-answer q=\"709036\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"709036\"]15.73[\/hidden-answer]<\/li>\r\n \t<li>[latex]27+0.87[\/latex]<\/li>\r\n \t<li>[latex]2.51+40[\/latex]\r\n[reveal-answer q=\"930219\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"930219\"]42.51[\/hidden-answer]<\/li>\r\n \t<li>[latex]9.38+60[\/latex]<\/li>\r\n \t<li>[latex]91.75-\\left(-10.462\\right)[\/latex]\r\n[reveal-answer q=\"464030\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"464030\"]102.212[\/hidden-answer]<\/li>\r\n \t<li>[latex]94.69-\\left(-12.678\\right)[\/latex]<\/li>\r\n \t<li>[latex]55.01 - 3.7[\/latex]\r\n[reveal-answer q=\"536325\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"536325\"]51.31[\/hidden-answer]<\/li>\r\n \t<li>[latex]59.08 - 4.6[\/latex]<\/li>\r\n \t<li>[latex]2.51 - 7.4[\/latex]\r\n[reveal-answer q=\"612518\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"612518\"]\u22124.89[\/hidden-answer]<\/li>\r\n \t<li>[latex]3.84 - 6.1[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Multiply Decimals<\/h3>\r\nIn the following exercises, multiply.\r\n<ol>\r\n \t<li>[latex]\\left(0.3\\right)\\left(0.4\\right)[\/latex]\r\n[reveal-answer q=\"969144\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"969144\"]0.12[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(0.6\\right)\\left(0.7\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\left(0.24\\right)\\left(0.6\\right)[\/latex]\r\n[reveal-answer q=\"290162\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"290162\"]0.144[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(0.81\\right)\\left(0.3\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\left(5.9\\right)\\left(7.12\\right)[\/latex]\r\n[reveal-answer q=\"158586\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"158586\"]42.008[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(2.3\\right)\\left(9.41\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\left(8.52\\right)\\left(3.14\\right)[\/latex]\r\n[reveal-answer q=\"581727\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"581727\"]26.7528[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(5.32\\right)\\left(4.86\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\text{(-4.3)(2.71)}[\/latex]\r\n[reveal-answer q=\"741176\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"741176\"]\u221211.653[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(-8.5\\right)\\left(1.69\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\text{(-5.18)(-65.23)}[\/latex]\r\n[reveal-answer q=\"988216\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"988216\"]337.8914[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(-9.16\\right)\\left(-68.34\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\left(0.09\\right)\\left(24.78\\right)[\/latex]\r\n[reveal-answer q=\"8221\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"8221\"]2.2302[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(0.04\\right)\\left(36.89\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\left(0.06\\right)\\left(21.75\\right)[\/latex]\r\n[reveal-answer q=\"637452\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"637452\"]1.305[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(0.08\\right)\\left(52.45\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\left(9.24\\right)\\left(10\\right)[\/latex]\r\n[reveal-answer q=\"485395\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"485395\"]92.4[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(6.531\\right)\\left(10\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\left(55.2\\right)\\left(1,000\\right)[\/latex]\r\n[reveal-answer q=\"3291\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"3291\"]55,200[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(99.4\\right)\\left(1,000\\right)[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Divide Decimals<\/h3>\r\nIn the following exercises, divide.\r\n<ol>\r\n \t<li>[latex]0.15\\div 5[\/latex]\r\n[reveal-answer q=\"170858\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"170858\"]0.03[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.27\\div 3[\/latex]<\/li>\r\n \t<li>[latex]4.75\\div 25[\/latex]\r\n[reveal-answer q=\"365520\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"365520\"]0.19[\/hidden-answer]<\/li>\r\n \t<li>[latex]12.04\\div 43[\/latex]<\/li>\r\n \t<li>[latex]{$8.49}\\div 12[\/latex]\r\n[reveal-answer q=\"116418\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"116418\"]$0.71[\/hidden-answer]<\/li>\r\n \t<li>[latex]{$16.99}\\div 9[\/latex]<\/li>\r\n \t<li>[latex]{$117.25}\\div 48[\/latex]\r\n[reveal-answer q=\"133344\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"133344\"]$2.44[\/hidden-answer]<\/li>\r\n \t<li>[latex]{$109.24}\\div 36[\/latex]<\/li>\r\n \t<li>[latex]0.6\\div 0.2[\/latex]\r\n[reveal-answer q=\"906286\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"906286\"]3[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.8\\div 0.4[\/latex]<\/li>\r\n \t<li>[latex]1.44\\div \\left(-0.3\\right)[\/latex]\r\n[reveal-answer q=\"155063\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"155063\"]\u22124.8[\/hidden-answer]<\/li>\r\n \t<li>[latex]1.25\\div \\left(-0.5\\right)[\/latex]<\/li>\r\n \t<li>[latex]-1.75\\div \\left(-0.05\\right)[\/latex]\r\n[reveal-answer q=\"486993\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"486993\"]35[\/hidden-answer]<\/li>\r\n \t<li>[latex]-1.15\\div \\left(-0.05\\right)[\/latex]<\/li>\r\n \t<li>[latex]5.2\\div 2.5[\/latex]\r\n[reveal-answer q=\"938437\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"938437\"]2.08[\/hidden-answer]<\/li>\r\n \t<li>[latex]6.5\\div 3.25[\/latex]<\/li>\r\n \t<li>[latex]12\\div 0.08[\/latex]\r\n[reveal-answer q=\"25405\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"25405\"]150[\/hidden-answer]<\/li>\r\n \t<li>[latex]5\\div 0.04[\/latex]<\/li>\r\n \t<li>[latex]11\\div 0.55[\/latex]\r\n[reveal-answer q=\"794636\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"794636\"]20[\/hidden-answer]<\/li>\r\n \t<li>[latex]14\\div 0.35[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Mixed Practice<\/h3>\r\nIn the following exercises, simplify.\r\n<ol>\r\n \t<li>[latex]6\\left(12.4 - 9.2\\right)[\/latex]\r\n[reveal-answer q=\"556132\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"556132\"]19.2[\/hidden-answer]<\/li>\r\n \t<li>[latex]3\\left(15.7 - 8.6\\right)[\/latex]<\/li>\r\n \t<li>[latex]24\\left(0.5\\right)+{\\left(0.3\\right)}^{2}[\/latex]\r\n[reveal-answer q=\"179497\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"179497\"]12.09[\/hidden-answer]<\/li>\r\n \t<li>[latex]35\\left(0.2\\right)+{\\left(0.9\\right)}^{2}[\/latex]<\/li>\r\n \t<li>[latex]1.15\\left(26.83+1.61\\right)[\/latex]\r\n[reveal-answer q=\"826866\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"826866\"]32.706[\/hidden-answer]<\/li>\r\n \t<li>[latex]1.18\\left(46.22+3.71\\right)[\/latex]<\/li>\r\n \t<li>[latex]{$45}+0.08\\left({$45}\\right)[\/latex]\r\n[reveal-answer q=\"347877\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"347877\"]$48.60[\/hidden-answer]<\/li>\r\n \t<li>[latex]{$63}+0.18\\left({$63}\\right)[\/latex]<\/li>\r\n \t<li>[latex]18\\div \\left(0.75+0.15\\right)[\/latex]\r\n[reveal-answer q=\"64023\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"64023\"]20[\/hidden-answer]<\/li>\r\n \t<li>[latex]27\\div \\left(0.55+0.35\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\left(1.43+0.27\\right)\\div \\left(0.9 - 0.05\\right)[\/latex]\r\n[reveal-answer q=\"921069\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"921069\"]2[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(1.5 - 0.06\\right)\\div \\left(0.12+0.24\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\left[{$75.42}+0.18\\left({$75.42}\\right)\\right]\\div 5[\/latex]\r\n[reveal-answer q=\"10677\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"10677\"]$17.80[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left[{$56.31}+0.22\\left({$56.31}\\right)\\right]\\div 4[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Use Decimals in Money Applications<\/h3>\r\nIn the following exercises, use the strategy for applications to solve.\r\n<h4>Spending money<\/h4>\r\nBrenda got [latex]{$40}[\/latex] from the ATM. She spent [latex]{$15.11}[\/latex] on a pair of earrings. How much money did she have left?\r\n[reveal-answer q=\"387381\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"387381\"]$24.89[\/hidden-answer]\r\n<h4>Spending money<\/h4>\r\nMarissa found [latex]{$20}[\/latex] in her pocket. She spent [latex]{$4.82}[\/latex] on a smoothie. How much of the [latex]{$20}[\/latex] did she have left?\r\n<h4>Shopping<\/h4>\r\nAdam bought a t-shirt for [latex]{$18.49}[\/latex] and a book for [latex]{$8.92}[\/latex] The sales tax was [latex]{$1.65}[\/latex]. How much did Adam spend?\r\n[reveal-answer q=\"59282\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"59282\"]$29.06[\/hidden-answer]\r\n<h4>Restaurant<\/h4>\r\nRoberto\u2019s restaurant bill was [latex]{$20.45}[\/latex] for the entr\u00e9e and [latex]{$3.15}[\/latex] for the drink. He left a [latex]{$4.40}[\/latex] tip. How much did Roberto spend?\r\n<h4>Coupon<\/h4>\r\nEmily bought a box of cereal that cost [latex]{$4.29}[\/latex]. She had a coupon for [latex]{$0.55}[\/latex] off, and the store doubled the coupon. How much did she pay for the box of cereal?\r\n[reveal-answer q=\"148600\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"148600\"]$3.19[\/hidden-answer]\r\n<h4>Coupon<\/h4>\r\nDiana bought a can of coffee that cost [latex]{$7.99}[\/latex]. She had a coupon for [latex]{$0.75}[\/latex] off, and the store doubled the coupon. How much did she pay for the can of coffee?\r\n<h4>Diet<\/h4>\r\nLeo took part in a diet program. He weighed [latex]190[\/latex] pounds at the start of the program. During the first week, he lost [latex]4.3[\/latex] pounds. During the second week, he had lost [latex]2.8[\/latex] pounds. The third week, he gained [latex]0.7[\/latex] pounds. The fourth week, he lost [latex]1.9[\/latex] pounds. What did Leo weigh at the end of the fourth week?\r\n[reveal-answer q=\"502906\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"502906\"]181.7 pounds[\/hidden-answer]\r\n<h4>Snowpack<\/h4>\r\nOn April [latex]1[\/latex], the snowpack at the ski resort was [latex]4[\/latex] meters deep, but the next few days were very warm. By April [latex]5[\/latex], the snow depth was [latex]1.6[\/latex] meters less. On April [latex]8[\/latex], it snowed and added [latex]2.1[\/latex] meters of snow. What was the total depth of the snow?\r\n<h4>Coffee<\/h4>\r\nNoriko bought [latex]4[\/latex] coffees for herself and her co-workers. Each coffee was [latex]{$3.75}[\/latex]. How much did she pay for all the coffees?\r\n[reveal-answer q=\"270125\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"270125\"]$15.00[\/hidden-answer]\r\n<h4>Subway Fare<\/h4>\r\nArianna spends [latex]{$4.50}[\/latex] per day on subway fare. Last week she rode the subway [latex]6[\/latex] days. How much did she spend for the subway fares?\r\n<h4>Income<\/h4>\r\nMayra earns [latex]{$9.25}[\/latex] per hour. Last week she worked [latex]32[\/latex] hours. How much did she earn?\r\n[reveal-answer q=\"868121\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"868121\"]$296.00[\/hidden-answer]\r\n<h4>Income<\/h4>\r\nPeter earns [latex]{$8.75}[\/latex] per hour. Last week he worked [latex]19[\/latex] hours. How much did he earn?\r\n<h4>Hourly Wage<\/h4>\r\nAlan got his first paycheck from his new job. He worked [latex]30[\/latex] hours and earned [latex]{$382.50}[\/latex]. How much does he earn per hour?\r\n[reveal-answer q=\"152289\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"152289\"]$12.75[\/hidden-answer]\r\n<h4>Hourly Wage<\/h4>\r\nMaria got her first paycheck from her new job. She worked [latex]25[\/latex] hours and earned [latex]{$362.50}[\/latex]. How much does she earn per hour?\r\n<h4>Restaurant<\/h4>\r\nJeannette and her friends love to order mud pie at their favorite restaurant. They always share just one piece of pie among themselves. With tax and tip, the total cost is [latex]\\$6.00[\/latex]. How much does each girl pay if the total number sharing the mud pie is\r\n<ol>\r\n \t<li>[latex]2?[\/latex]\r\n[reveal-answer q=\"267851\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"267851\"]$3[\/hidden-answer]<\/li>\r\n \t<li>[latex]3?[\/latex]\r\n[reveal-answer q=\"704408\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"704408\"]$2[\/hidden-answer]<\/li>\r\n \t<li>[latex]4?[\/latex]\r\n[reveal-answer q=\"398295\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"398295\"] $1.50[\/hidden-answer]<\/li>\r\n \t<li>[latex]5?[\/latex]\r\n[reveal-answer q=\"798489\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"798489\"]$1.20[\/hidden-answer]<\/li>\r\n \t<li>[latex]6?[\/latex]\r\n[reveal-answer q=\"462061\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"462061\"] $1[\/hidden-answer]<\/li>\r\n<\/ol>\r\n<h4>Pizza<\/h4>\r\nAlex and his friends go out for pizza and video games once a week. They share the cost of a [latex]\\$15.60[\/latex] pizza equally. How much does each person pay if the total number sharing the pizza is\r\n<ol>\r\n \t<li>\u00a0[latex]2?[\/latex]<\/li>\r\n \t<li>[latex]3?[\/latex]<\/li>\r\n \t<li>[latex]4?[\/latex]<\/li>\r\n \t<li>[latex]5?[\/latex]<\/li>\r\n \t<li>\u00a0[latex]6?[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Fast Food<\/h3>\r\nAt their favorite fast food restaurant, the Carlson family orders [latex]4[\/latex] burgers that cost [latex]{$3.29}[\/latex] each and [latex]2[\/latex] orders of fries at [latex]{$2.74}[\/latex] each. What is the total cost of the order?\r\n[reveal-answer q=\"581808\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"581808\"]$18.64[\/hidden-answer]\r\n<h4>Home Goods<\/h4>\r\nChelsea needs towels to take with her to college. She buys [latex]2[\/latex] bath towels that cost [latex]{$9.99}[\/latex] each and [latex]6[\/latex] washcloths that cost [latex]{$2.99}[\/latex] each. What is the total cost for the bath towels and washcloths?\r\n<h4>Zoo<\/h4>\r\nThe Lewis and Chousmith families are planning to go to the zoo together. Adult tickets cost [latex]{$29.95}[\/latex] and children\u2019s tickets cost [latex]{$19.95}[\/latex]. What will the total cost be for [latex]4[\/latex] adults and [latex]7[\/latex] children?\r\n[reveal-answer q=\"285738\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"285738\"]$259.45[\/hidden-answer]\r\n<h4>Ice Skating<\/h4>\r\nJasmine wants to have her birthday party at the local ice skating rink. It will cost [latex]{$8.25}[\/latex] per child and [latex]{$12.95}[\/latex] per adult. What will the total cost be for [latex]12[\/latex] children and [latex]3[\/latex] adults?\r\n<div class=\"textbox exercises\">\r\n<h3>Everyday Math<\/h3>\r\n<h4><strong>Paycheck<\/strong><\/h4>\r\nAnnie has two jobs. She gets paid [latex]{$14.04}[\/latex] per hour for tutoring at City College and [latex]{$8.75}[\/latex] per hour at a coffee shop. Last week she tutored for [latex]8[\/latex] hours and worked at the coffee shop for [latex]15[\/latex] hours.\r\n<ol>\r\n \t<li>How much did she earn?\r\n[reveal-answer q=\"315211\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"315211\"]$243.57[\/hidden-answer]<\/li>\r\n \t<li>If she had worked all [latex]23[\/latex] hours as a tutor instead of working both jobs, how much more would she have earned?\r\n[reveal-answer q=\"17207\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"17207\"]$79.35[\/hidden-answer]<\/li>\r\n<\/ol>\r\n<strong>Paycheck<\/strong> Jake has two jobs. He gets paid [latex]\\$7.95[\/latex] per hour at the college cafeteria and [latex]\\$20.25[\/latex] at the art gallery. Last week he worked [latex]12[\/latex] hours at the cafeteria and [latex]5[\/latex] hours at the art gallery.\r\n<ol>\r\n \t<li>\u00a0How much did he earn?<\/li>\r\n \t<li>If he had worked all [latex]17[\/latex] hours at the art gallery instead of working both jobs, how much more would he have earned?<\/li>\r\n<\/ol>\r\n<\/div>\r\n<div class=\"textbox learning-objectives\">\r\n<h3>Writing Exercises<\/h3>\r\nIn the 2010 winter Olympics, two skiers took the silver and bronze medals in the Men's Super-G ski event. The silver medalist's time was [latex]1[\/latex] minute [latex]30.62[\/latex] seconds and bronze medalist's time was [latex]1[\/latex] minute [latex]30.65[\/latex] seconds. Whose time was faster? Find the difference in their times and then write the name of that decimal.\r\n\r\n[practice-area rows=\"4\"][\/practice-area]\r\n[reveal-answer q=\"727404\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"727404\"]The difference: 0.03 seconds. Three hundredths of a second.[\/hidden-answer]\r\n\r\nFind the quotient of [latex]0.12\\div 0.04[\/latex] and explain in words all the steps taken.\r\n\r\n[practice-area rows=\"4\"][\/practice-area]\r\n\r\n<\/div>\r\n<h2>Exploring The Relationship Between Decimals and Fractions<\/h2>\r\n<h3>Convert Fractions to Decimals<\/h3>\r\nIn the following exercises, convert each fraction to a decimal.\r\n<ol>\r\n \t<li>[latex]\\Large\\frac{2}{5}[\/latex]\r\n[reveal-answer q=\"784121\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"784121\"]0.4[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{4}{5}[\/latex]<\/li>\r\n \t<li>[latex]-\\Large\\frac{3}{8}[\/latex]\r\n[reveal-answer q=\"286211\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"286211\"]\u22120.375[\/hidden-answer]<\/li>\r\n \t<li>[latex]-\\Large\\frac{5}{8}[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{17}{20}[\/latex]\r\n[reveal-answer q=\"586095\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"586095\"]0.85[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{13}{20}[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{11}{4}[\/latex]\r\n[reveal-answer q=\"906067\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"906067\"]2.75[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{17}{4}[\/latex]<\/li>\r\n \t<li>[latex]-\\Large\\frac{310}{25}[\/latex]\r\n[reveal-answer q=\"888068\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"888068\"]\u221212.4[\/hidden-answer]<\/li>\r\n \t<li>[latex]-\\Large\\frac{284}{25}[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{5}{9}[\/latex]\r\n[reveal-answer q=\"362837\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"362837\"][latex]0.\\stackrel{-}{5}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{2}{9}[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{15}{11}[\/latex]\r\n[reveal-answer q=\"355980\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"355980\"][latex]1.\\stackrel{\\text{-}}{36}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{18}{11}[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{15}{111}[\/latex]\r\n[reveal-answer q=\"871048\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"871048\"][latex]0.\\stackrel{\\text{-}}{135}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{25}{111}[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Convert Fractions to Decimals and Simplify<\/h3>\r\nIn the following exercises, simplify the expression.\r\n<ol>\r\n \t<li>[latex]\\Large\\frac{1}{2}\\normalsize+6.5[\/latex]\r\n[reveal-answer q=\"390720\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"390720\"]7[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{1}{4}\\normalsize+10.75[\/latex]<\/li>\r\n \t<li>[latex]2.4+\\Large\\frac{5}{8}[\/latex]\r\n[reveal-answer q=\"464827\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"464827\"]3.025[\/hidden-answer]<\/li>\r\n \t<li>[latex]3.9+\\Large\\frac{9}{20}[\/latex]<\/li>\r\n \t<li>[latex]9.73+\\Large\\frac{17}{20}[\/latex]\r\n[reveal-answer q=\"529819\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"529819\"]10.58[\/hidden-answer]<\/li>\r\n \t<li>[latex]6.29+\\Large\\frac{21}{40}[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Order Decimals and Fractions<\/h3>\r\nIn the following exercises, order each pair of numbers, using [latex]&amp;lt[\/latex]; or [latex]\\text{&gt;.}[\/latex]\r\n<ol>\r\n \t<li>[latex]\\Large\\frac{1}{8}\\normalsize\\text{___}0.8[\/latex]\r\n[reveal-answer q=\"86876\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"86876\"]&lt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{1}{4}\\normalsize\\text{___}0.4[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{2}{5}\\normalsize\\text{___}0.25[\/latex]\r\n[reveal-answer q=\"997663\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"997663\"]&gt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{3}{5}\\normalsize\\text{___}0.35[\/latex]<\/li>\r\n \t<li>[latex]\\text {0.725___}\\Large\\frac{3}{4}[\/latex]\r\n[reveal-answer q=\"763024\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"763024\"]&lt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\text {0.92___}\\Large\\frac{7}{8}[\/latex]<\/li>\r\n \t<li>[latex]\\text {0.66___}\\Large\\frac{2}{3}[\/latex]\r\n[reveal-answer q=\"638836\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"638836\"]&lt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\text {0.83___}\\Large\\frac{5}{6}[\/latex]<\/li>\r\n \t<li>[latex]\\text {-0.75___}-\\Large\\frac{4}{5}[\/latex]\r\n[reveal-answer q=\"550124\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"550124\"]&gt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\text {-0.44___}-\\Large\\frac{9}{20}[\/latex]<\/li>\r\n \t<li>[latex]-\\Large\\frac{3}{4}\\normalsize\\text{___} - 0.925[\/latex]\r\n[reveal-answer q=\"102965\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"102965\"]&gt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]-\\Large\\frac{2}{3}\\normalsize\\text{___} - 0.632[\/latex]<\/li>\r\n<\/ol>\r\nIn the following exercises, write each set of numbers in order from least to greatest.\r\n<ol>\r\n \t<li>[latex]\\Large\\frac{3}{5}\\normalsize ,\\Large\\frac{9}{16}\\normalsize,0.55[\/latex]\r\n[reveal-answer q=\"270722\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"270722\"][latex]0.55,\\Large\\frac{9}{16}\\normalsize ,\\Large\\frac{3}{5}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{3}{8}\\normalsize ,\\Large\\frac{7}{20}\\normalsize ,0.36[\/latex]<\/li>\r\n \t<li>[latex]0.702,\\Large\\frac{13}{20}\\normalsize ,\\Large\\frac{5}{8}[\/latex]\r\n[reveal-answer q=\"574289\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"574289\"][latex]\\Large\\frac{5}{8}\\normalsize ,\\Large\\frac{13}{20}\\normalsize ,0.702[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]0.15,\\Large\\frac{3}{16}\\normalsize ,\\Large\\frac{1}{5}[\/latex]<\/li>\r\n \t<li>[latex]-0.3,-\\Large\\frac{1}{3}\\normalsize ,-\\Large\\frac{7}{20}[\/latex]\r\n[reveal-answer q=\"547172\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"547172\"][latex]-\\Large\\frac{7}{20}\\normalsize ,-\\Large\\frac{1}{3}\\normalsize,-0.3[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]-0.2,-\\Large\\frac{3}{20}\\normalsize ,-\\Large\\frac{1}{6}[\/latex]<\/li>\r\n \t<li>[latex]-\\Large\\frac{3}{4}\\normalsize ,-\\Large\\frac{7}{9}\\normalsize,-0.7[\/latex]\r\n[reveal-answer q=\"110471\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"110471\"][latex]-\\Large\\frac{7}{9}\\normalsize ,-\\Large\\frac{3}{4}\\normalsize ,-0.7[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]-\\Large\\frac{8}{9}\\normalsize ,-\\Large\\frac{4}{5}\\normalsize,-0.9[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Simplify Expressions Using the Order of Operations<\/h3>\r\nIn the following exercises, simplify.\r\n<ol>\r\n \t<li>[latex]10\\left(25.1 - 43.8\\right)[\/latex]\r\n[reveal-answer q=\"12368\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"12368\"]\u2212187[\/hidden-answer]<\/li>\r\n \t<li>[latex]30\\left(18.1 - 32.5\\right)[\/latex]<\/li>\r\n \t<li>[latex]62\\left(9.75 - 4.99\\right)[\/latex]\r\n[reveal-answer q=\"297668\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"297668\"]295.12[\/hidden-answer]<\/li>\r\n \t<li>[latex]42\\left(8.45 - 5.97\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{3}{4}\\normalsize\\left(12.4 - 4.2\\right)[\/latex]\r\n[reveal-answer q=\"611677\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"611677\"]6.15[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{4}{5}\\normalsize\\left(8.6+3.9\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{5}{12}\\normalsize\\left(30.58+17.9\\right)[\/latex]\r\n[reveal-answer q=\"168172\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"168172\"]20.2[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{9}{16}\\normalsize\\left(21.96 - 9.8\\right)[\/latex]<\/li>\r\n \t<li>[latex]10\\div 0.1+\\left(1.8\\right)4-{\\left(0.3\\right)}^{2}[\/latex]\r\n[reveal-answer q=\"71082\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"71082\"]107.11[\/hidden-answer]<\/li>\r\n \t<li>[latex]5\\div 0.5+\\left(3.9\\right)6-{\\left(0.7\\right)}^{2}[\/latex]<\/li>\r\n \t<li>[latex]\\left(37.1+52.7\\right)\\div \\left(12.5\\div 62.5\\right)[\/latex]\r\n[reveal-answer q=\"131837\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"131837\"]449[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(11.4+16.2\\right)\\div \\left(18\\div 60\\right)[\/latex]<\/li>\r\n \t<li>[latex]{\\Large\\left(\\frac{1}{5}\\right)}^{2}\\normalsize+\\left(1.4\\right)\\left(6.5\\right)[\/latex]\r\n[reveal-answer q=\"230565\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"230565\"]9.14[\/hidden-answer]<\/li>\r\n \t<li>[latex]{\\Large\\left(\\frac{1}{2}\\right)}^{2}\\normalsize+\\left(2.1\\right)\\left(8.3\\right)[\/latex]<\/li>\r\n \t<li>[latex]-\\Large\\frac{9}{10}\\normalsize\\cdot\\Large\\frac{8}{15}\\normalsize+0.25[\/latex]\r\n[reveal-answer q=\"749424\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"749424\"]\u22120.23[\/hidden-answer]<\/li>\r\n \t<li>[latex]-\\Large\\frac{3}{8}\\normalsize\\cdot\\Large\\frac{14}{15}\\normalsize+0.72[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Mixed Practice<\/h3>\r\nIn the following exercises, simplify. Give the answer as a decimal.\r\n<ol>\r\n \t<li>[latex]3\\Large\\frac{1}{4}\\normalsize -6.5[\/latex]\r\n[reveal-answer q=\"326225\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"326225\"]\u22123.25[\/hidden-answer]<\/li>\r\n \t<li>[latex]5\\Large\\frac{2}{5}\\normalsize -8.75[\/latex]<\/li>\r\n \t<li>[latex]10.86\\div\\Large\\frac{2}{3}[\/latex]\r\n[reveal-answer q=\"585098\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"585098\"]16.29[\/hidden-answer]<\/li>\r\n \t<li>[latex]5.79\\div\\Large\\frac{3}{4}[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{7}{8}\\normalsize\\left(103.48\\right)+1\\Large\\frac{1}{2}\\normalsize\\left(361\\right)[\/latex]\r\n[reveal-answer q=\"606793\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"606793\"]632.045[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{5}{16}\\normalsize\\left(117.6\\right)+2\\Large\\frac{1}{3}\\normalsize\\left(699\\right)[\/latex]<\/li>\r\n \t<li>[latex]3.6\\left(\\Large\\frac{9}{8}\\normalsize-2.72\\right)[\/latex]\r\n[reveal-answer q=\"923812\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"923812\"]\u22125.742[\/hidden-answer]<\/li>\r\n \t<li>[latex]5.1\\left(\\Large\\frac{12}{5}\\normalsize-3.91\\right)[\/latex]<\/li>\r\n<\/ol>\r\n<h3>Find the Circumference and Area of Circles<\/h3>\r\nIn the following exercises, approximate the a) circumference and b) area of each circle. If measurements are given in fractions, leave answers in fraction form.\r\n<ol>\r\n \t<li>[latex]\\text{radius}=\\text{5 in.}[\/latex]\r\n[reveal-answer q=\"364933\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"364933\"]\u24d0 31.4 in \u24d1 78.5 sq.in.[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\text{radius}=\\text{20 in.}[\/latex]<\/li>\r\n \t<li>[latex]\\text{radius}=\\text{9 ft.}[\/latex]\r\n[reveal-answer q=\"746318\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"746318\"]\u24d0 56.52.ft. \u24d1 254.34 sq.ft.[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\text{radius}=\\text{4 ft.}[\/latex]<\/li>\r\n \t<li>[latex]\\text{radius}=\\text{46 cm}[\/latex]\r\n[reveal-answer q=\"834581\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"834581\"]\u24d0 288.88 cm \u24d1 6644.24 sq.cm[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\text{radius}=\\text{38 cm}[\/latex]<\/li>\r\n \t<li>[latex]\\text{radius}=\\text{18.6 m}[\/latex]\r\n[reveal-answer q=\"199827\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"199827\"]\u24d0 116.808 m \u24d1 1086.3144 sq.m[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\text{radius}=\\text{57.3 m}[\/latex]<\/li>\r\n \t<li>[latex]\\text{radius}=\\Large\\frac{7}{10}\\normalsize\\text{mile}[\/latex]\r\n[reveal-answer q=\"386033\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"386033\"]\u24d0 [latex]\\Large\\frac{22}{5}\\normalsize\\text{mile}[\/latex] \u24d1 [latex]\\Large\\frac{77}{50}\\normalsize\\text{sq.mile}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]\\text{radius}=\\Large\\frac{7}{11}\\normalsize\\text{mile}[\/latex]<\/li>\r\n \t<li>[latex]\\text{radius}=\\Large\\frac{3}{8}\\normalsize\\text{yard}[\/latex]\r\n[reveal-answer q=\"878613\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"878613\"]\u24d0 [latex]\\Large\\frac{33}{14}\\normalsize\\text{yard}[\/latex] \u24d1 [latex]\\Large\\frac{99}{224}\\normalsize\\text{sq.yard}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]\\text{radius}=\\Large\\frac{5}{12}\\normalsize\\text{yard}[\/latex]<\/li>\r\n \t<li>[latex]\\text{diameter}=\\Large\\frac{5}{6}\\normalsize\\text{m}[\/latex]\r\n[reveal-answer q=\"922931\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"922931\"]\u24d0 [latex]\\Large\\frac{55}{21}\\normalsize\\text{m}[\/latex] \u24d1 [latex]\\Large\\frac{275}{504}\\normalsize\\text{sq.m}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]\\text{diameter}=\\Large\\frac{3}{4}\\normalsize\\text{m}[\/latex]<\/li>\r\n<\/ol>\r\n<div class=\"textbox exercises\">\r\n<h3>Everyday Math<\/h3>\r\n<h4>Shopping Trip<\/h4>\r\nKelly wants to buy a pair of boots that are on sale for [latex]\\Large\\frac{2}{3}[\/latex] of the original price. The original price of the boots is [latex]{$84.99}[\/latex]. What is the sale price of the shoes?\r\n[reveal-answer q=\"741329\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"741329\"]$56.66[\/hidden-answer]\r\n<h4>Creating a Mosaic<\/h4>\r\nAn architect is planning to put a circular mosaic in the entry of a new building. The mosaic will be in the shape of a circle with radius of [latex]6[\/latex] feet. How many square feet of tile will be needed for the mosaic? (Round your answer up to the next whole number.)\r\n\r\n<\/div>\r\n<div class=\"textbox learning-objectives\">\r\n<h3>Writing Exercises<\/h3>\r\nIs it easier for you to convert a decimal to a fraction or a fraction to a decimal? Explain.\r\n\r\n[practice-area rows=\"4\"][\/practice-area]\r\n\r\nDescribe a situation in your life in which you might need to find the area or circumference of a circle.\r\n\r\n[practice-area rows=\"4\"][\/practice-area]\r\n\r\n<\/div>\r\n<h2><\/h2>\r\n<h2>Solving Equations with Decimals<\/h2>\r\n<h3 class=\"p2\"><span class=\"s1\"><b>Determine Whether a Decimal is a Solution of an Equation<\/b><\/span><\/h3>\r\nIn the following exercises, determine whether each number is a solution of the given equation.\r\n\r\n<span class=\"s1\">[latex]x - 0.8=2.3[\/latex]<\/span>\r\n<p class=\"p3\"><span class=\"s2\">\u24d0<\/span><span class=\"s1\"> [latex]x=2[\/latex] <\/span><span class=\"s2\">\u24d1<\/span><span class=\"s1\"> [latex]x=-1.5[\/latex] <\/span><span class=\"s2\">\u24d2<\/span><span class=\"s1\"> [latex]x=3.1[\/latex]\r\n[reveal-answer q=\"577332\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"577332\"]\u24d0 no \u24d1 no \u24d2 yes[\/hidden-answer]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]y+0.6=-3.4[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s2\">\u24d0<\/span><span class=\"s1\"> [latex]y=-4[\/latex] <\/span><span class=\"s2\">\u24d1<\/span><span class=\"s1\"> [latex]y=-2.8[\/latex] <\/span><span class=\"s2\">\u24d2<\/span><span class=\"s1\"> [latex]y=2.6[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{h}{1.5}\\normalsize =-4.3[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s2\">\u24d0<\/span><span class=\"s1\"> [latex]h=6.45[\/latex] <\/span><span class=\"s2\">\u24d1<\/span><span class=\"s1\"> [latex]h=-6.45[\/latex] <\/span><span class=\"s2\">\u24d2<\/span><span class=\"s1\"> [latex]h=-2.1[\/latex]\r\n[reveal-answer q=\"878950\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"878950\"]\u24d0 no \u24d1 yes \u24d2 no[\/hidden-answer]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]0.75k=-3.6[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s2\">\u24d0<\/span><span class=\"s1\"> [latex]k=-0.48[\/latex] <\/span><span class=\"s2\">\u24d1<\/span><span class=\"s1\"> [latex]k=-4.8[\/latex] <\/span><span class=\"s2\">\u24d2<\/span><span class=\"s1\"> [latex]k=-2.7[\/latex]<\/span><\/p>\r\n\r\n<h3 class=\"p3\"><span class=\"s1\"><b>Solve Equations with Decimals<\/b>\r\n<\/span><\/h3>\r\n<p class=\"p3\"><span class=\"s1\">In the following exercises, solve the equation.<\/span><\/p>\r\n\r\n<ol>\r\n \t<li class=\"p3\"><span class=\"s1\">[latex]y+2.9=5.7[\/latex]\r\n[reveal-answer q=\"284633\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"284633\"]y = 2.8[\/hidden-answer]<\/span><\/li>\r\n \t<li class=\"p3\">[latex]m+4.6=6.5[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]f+3.45=2.6[\/latex]\r\n[reveal-answer q=\"622935\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"622935\"]f = \u22120.85[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]h+4.37=3.5[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]a+6.2=-1.7[\/latex]\r\n[reveal-answer q=\"752096\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"752096\"]a = \u22127.9[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]b+5.8=-2.3[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]c+1.15=-3.5[\/latex]\r\n[reveal-answer q=\"576735\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"576735\"]c = \u22124.65[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]d+2.35=-4.8[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]n - 2.6=1.8[\/latex]\r\n[reveal-answer q=\"107207\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"107207\"]n = 4.4[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]p - 3.6=1.7[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]x - 0.4=-3.9[\/latex]\r\n[reveal-answer q=\"965425\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"965425\"]x = \u22123.5[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]y - 0.6=-4.5[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]j - 1.82=-6.5[\/latex]\r\n[reveal-answer q=\"499365\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"499365\"]j = \u22124.68[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]k - 3.19=-4.6[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]m - 0.25=-1.67[\/latex]\r\n[reveal-answer q=\"87367\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"87367\"]m = \u22121.42[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]q - 0.47=-1.53[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]0.5x=3.5[\/latex]\r\n[reveal-answer q=\"244900\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"244900\"]x = 7[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]0.4p=9.2[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]-1.7c=8.5[\/latex]\r\n[reveal-answer q=\"943204\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"943204\"]c = \u22125[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]-2.9x=5.8[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]-1.4p=-4.2[\/latex]\r\n[reveal-answer q=\"194199\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"194199\"]p = 3[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]-2.8m=-8.4[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]-120=1.5q[\/latex]\r\n[reveal-answer q=\"180796\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"180796\"]q = \u221280[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]-75=1.5y[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]0.24x=4.8[\/latex]\r\n[reveal-answer q=\"951311\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"951311\"]x = 20[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]0.18n=5.4[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]-3.4z=-9.18[\/latex]\r\n[reveal-answer q=\"846024\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"846024\"]z = 2.7[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]-2.7u=-9.72[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]\\Large\\frac{a}{0.4}\\normalsize =-20[\/latex]\r\n[reveal-answer q=\"160417\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"160417\"]a = \u22128[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]\\Large\\frac{b}{0.3}\\normalsize =-9[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]\\Large\\frac{x}{0.7}\\normalsize =-0.4[\/latex]\r\n[reveal-answer q=\"700886\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"700886\"]x = \u22120.28[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]\\Large\\frac{y}{0.8}\\normalsize =-0.7[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]\\Large\\frac{p}{-5}\\normalsize =-1.65[\/latex]\r\n[reveal-answer q=\"19829\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"19829\"]p = 8.25[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]\\Large\\frac{q}{-4}\\normalsize =-5.92[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]\\Large\\frac{r}{-1.2}\\normalsize =-6[\/latex]\r\n[reveal-answer q=\"638327\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"638327\"]r = 7.2[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]\\Large\\frac{s}{-1.5}\\normalsize =-3[\/latex]<\/li>\r\n<\/ol>\r\n<p class=\"p3\"><span class=\"s1\"><b>Mixed Practice<\/b>\r\n<\/span><\/p>\r\n<span class=\"s1\">In the following exercises, solve the equation. Then check your solution.<\/span>\r\n<ol>\r\n \t<li class=\"p3\"><span class=\"s1\">[latex]x - 5=-11[\/latex]\r\n[reveal-answer q=\"974070\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"974070\"]x = \u22126[\/hidden-answer]<\/span><\/li>\r\n \t<li class=\"p3\">[latex]-\\Large\\frac{2}{5}\\normalsize =x+\\Large\\frac{3}{4}[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]p+8=-2[\/latex]\r\n[reveal-answer q=\"240196\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"240196\"]p = \u221210[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]p+\\Large\\frac{2}{3}\\normalsize =\\Large\\frac{1}{12}[\/latex]<\/li>\r\n \t<li class=\"p3\">[latex]-4.2m=-33.6[\/latex]\r\n[reveal-answer q=\"890860\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"890860\"]m = 8[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">[latex]q+9.5=-14[\/latex]<\/li>\r\n \t<li>[latex]q+\\Large\\frac{5}{6}\\normalsize =\\Large\\frac{1}{12}[\/latex][reveal-answer q=\"23566\"]Show Solution[\/reveal-answer]<\/li>\r\n<\/ol>\r\n<p class=\"p3\"><span class=\"s1\">[hidden-answer a=\"23566\"][latex]q=-\\Large\\frac{3}{4}[\/latex][\/hidden-answer]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{8.6}{15}\\normalsize =-d[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{7}{8}\\normalsize m=\\Large\\frac{1}{10}[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]m=\\Large\\frac{4}{35}[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{j}{-6.2}\\normalsize =-3[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]-\\Large\\frac{2}{3}\\normalsize =y+\\Large\\frac{3}{8}[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]y=-\\Large\\frac{25}{24}[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]s - 1.75=-3.2[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{11}{20}\\normalsize =-f[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]f=-\\Large\\frac{11}{20}[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]-3.6b=2.52[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]-4.2a=3.36[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\"><i>a<\/i> = \u22120.8<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]-9.1n=-63.7[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]r - 1.25=-2.7[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\"><i>r<\/i> = \u22121.45<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{1}{4}\\normalsize n=\\Large\\frac{7}{10}[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{h}{-3}\\normalsize =-8[\/latex]<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\"><i>h<\/i> = 24<\/span><\/p>\r\n<p class=\"p3\"><span class=\"s1\">[latex]y - 7.82=-16[\/latex]<\/span><\/p>\r\n\r\n<h3 class=\"p3\"><span class=\"s1\"><b>Translate to an Equation and Solve<\/b>\r\n<\/span><\/h3>\r\n<p class=\"p3\"><span class=\"s1\">In the following exercises, translate and solve.<\/span><\/p>\r\n\r\n<ol>\r\n \t<li class=\"p3\"><span class=\"s1\">The difference of [latex]n[\/latex] and [latex]1.9[\/latex] is [latex]3.4[\/latex].\r\n[reveal-answer q=\"945583\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"945583\"][latex]n - 1.9=3.4;5.3[\/latex][\/hidden-answer]<\/span><\/li>\r\n \t<li class=\"p3\">The difference [latex]n[\/latex] and [latex]1.5[\/latex] is [latex]0.8[\/latex].<\/li>\r\n \t<li class=\"p3\">The product of [latex]-6.2[\/latex] and [latex]x[\/latex] is [latex]-4.96[\/latex].\r\n[reveal-answer q=\"608215\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"608215\"]\u22126.2x = \u22124.96; 0.8[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">The product of [latex]-4.6[\/latex] and [latex]x[\/latex] is [latex]-3.22[\/latex].<\/li>\r\n \t<li class=\"p3\">The quotient of [latex]y[\/latex] and [latex]-1.7[\/latex] is [latex]-5[\/latex].\r\n[reveal-answer q=\"456493\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"456493\"][latex]\\Large\\frac{y}{-1.7}\\normalsize =-5;8.5[\/latex][\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">The quotient of [latex]z[\/latex] and [latex]-3.6[\/latex] is [latex]3[\/latex].<\/li>\r\n \t<li class=\"p3\">The sum of [latex]n[\/latex] and [latex]-7.3[\/latex] is [latex]2.4[\/latex].\r\n[reveal-answer q=\"411534\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"411534\"]n + (\u22127.3) = 2.4; 9.7[\/hidden-answer]<\/li>\r\n \t<li class=\"p3\">The sum of [latex]n[\/latex] and [latex]-5.1[\/latex] is [latex]3.8[\/latex].<\/li>\r\n<\/ol>\r\n&nbsp;\r\n<div class=\"textbox exercises\">\r\n<h3>Everyday math<\/h3>\r\n<ol>\r\n \t<li class=\"p3\"><span class=\"s1\">Shawn bought a pair of shoes on sale for [latex]$78[\/latex] . Solve the equation [latex]0.75p=78[\/latex] to find the original price of the shoes, [latex]p[\/latex].\r\n[reveal-answer q=\"798860\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"798860\"]$104[\/hidden-answer]<\/span><\/li>\r\n \t<li class=\"p3\">Mary bought a new refrigerator. The total price including sales tax was [latex]{$1,350}[\/latex]. Find the retail price, [latex]r[\/latex], of the refrigerator before tax by solving the equation [latex]1.08r=1,350[\/latex].<\/li>\r\n<\/ol>\r\n<\/div>\r\n&nbsp;\r\n<div class=\"textbox learning-objectives\">\r\n<h3><b>Writing Exercises<\/b><\/h3>\r\n<ul>\r\n \t<li class=\"p3\"><span class=\"s1\">Think about solving the equation [latex]1.2y=60[\/latex], but do not actually solve it. Do you think the solution should be greater than [latex]60[\/latex] or less than [latex]60?[\/latex] Explain your reasoning. Then solve the equation to see if your thinking was correct.\r\n<\/span>Answers will vary.<\/li>\r\n \t<li class=\"p3\">Think about solving the equation [latex]0.8x=200[\/latex], but do not actually solve it. Do you think the solution should be greater than [latex]200[\/latex] or less than [latex]200?[\/latex] Explain your reasoning. Then solve the equation to see if your thinking was correct.<\/li>\r\n<\/ul>\r\n<\/div>\r\n<h3><\/h3>\r\n<h3>Chapter Review Exercises<\/h3>\r\n<h3>Decimals<\/h3>\r\n<h4>Name Decimals<\/h4>\r\nIn the following exercises, name each decimal.\r\n<ol>\r\n \t<li>[latex]0.8[\/latex]<\/li>\r\n \t<li>[latex]0.375[\/latex]\r\n[reveal-answer q=\"858125\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"858125\"]three hundred seventy-five thousandths[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.007[\/latex]<\/li>\r\n \t<li>[latex]5.24[\/latex]\r\n[reveal-answer q=\"522530\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"522530\"]five and twenty-four hundredths[\/hidden-answer]<\/li>\r\n \t<li>[latex]-12.5632[\/latex]<\/li>\r\n \t<li>[latex]-4.09[\/latex]\r\n[reveal-answer q=\"805939\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"805939\"]negative four and nine hundredths[\/hidden-answer]<\/li>\r\n<\/ol>\r\n<strong>Write Decimals<\/strong>\r\nIn the following exercises, write as a decimal.\r\n<ol>\r\n \t<li>three tenths<\/li>\r\n \t<li>nine hundredths\r\n[reveal-answer q=\"982017\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"982017\"]0.09[\/hidden-answer]<\/li>\r\n \t<li>twenty-seven hundredths<\/li>\r\n \t<li>ten and thirty-five thousandths\r\n[reveal-answer q=\"726161\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"726161\"]10.035[\/hidden-answer]<\/li>\r\n \t<li>negative twenty and three tenths<\/li>\r\n \t<li>negative five hundredths\r\n[reveal-answer q=\"186732\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"186732\"]\u22120.05[\/hidden-answer]<\/li>\r\n<\/ol>\r\n<h3><strong>Convert Decimals to Fractions or Mixed Numbers<\/strong><\/h3>\r\nIn the following exercises, convert each decimal to a fraction. Simplify the answer if possible.\r\n<ol>\r\n \t<li>[latex]0.43[\/latex]<\/li>\r\n \t<li>[latex]0.825[\/latex]\r\n[reveal-answer q=\"164943\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"164943\"][latex]\\Large\\frac{33}{40}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>[latex]9.7[\/latex]<\/li>\r\n \t<li>[latex]3.64[\/latex]\r\n[reveal-answer q=\"553433\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"553433\"][latex]3\\Large\\frac{16}{25}[\/latex][\/hidden-answer]<\/li>\r\n<\/ol>\r\n<h4><strong>Locate Decimals on the Number Line<\/strong><\/h4>\r\n<ol>\r\n \t<li>[latex]0.6[\/latex]<\/li>\r\n \t<li>[latex]-0.9[\/latex]<\/li>\r\n \t<li>[latex]2.2[\/latex]<\/li>\r\n \t<li>[latex]-1.3[\/latex]<\/li>\r\n<\/ol>\r\n<strong>Order Decimals<\/strong>\r\nIn the following exercises, order each of the following pairs of numbers, using [latex]&amp;lt[\/latex]; or [latex]\\text{&gt;.}[\/latex]\r\n<ol>\r\n \t<li>[latex]0.6\\text{___}0.8[\/latex]\r\n[reveal-answer q=\"623979\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"623979\"]&lt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.2\\text{___}0.15[\/latex]<\/li>\r\n \t<li>[latex]0.803\\text{____}0.83[\/latex]\r\n[reveal-answer q=\"511118\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"511118\"]&lt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]-0.56\\text{____} - 0.562[\/latex]<\/li>\r\n<\/ol>\r\n<strong>Round Decimals<\/strong>\r\nIn the following exercises, round each number to the nearest: \u24d0 hundredth \u24d1 tenth \u24d2 whole number.\r\n<ol>\r\n \t<li>[latex]12.529[\/latex]\r\n[reveal-answer q=\"963837\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"963837\"]\u24d0 12.53 \u24d1 12.5 \u24d2 13[\/hidden-answer]<\/li>\r\n \t<li>[latex]4.8447[\/latex]<\/li>\r\n \t<li>[latex]5.897[\/latex]\r\n[reveal-answer q=\"402011\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"402011\"]\u24d0 5.90 \u24d1 5.9 \u24d2 6[\/hidden-answer]<\/li>\r\n<\/ol>\r\n<h3>Decimal Operations<\/h3>\r\n<strong>Add and Subtract Decimals<\/strong>\r\nIn the following exercises, add or subtract.\r\n<ol>\r\n \t<li>[latex]5.75+8.46[\/latex]<\/li>\r\n \t<li>[latex]32.89 - 8.22[\/latex]\r\n[reveal-answer q=\"122303\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"122303\"]24.67[\/hidden-answer]<\/li>\r\n \t<li>[latex]24 - 19.31[\/latex]<\/li>\r\n \t<li>[latex]10.2+14.631[\/latex]\r\n[reveal-answer q=\"251287\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"251287\"]24.831[\/hidden-answer]<\/li>\r\n \t<li>[latex]-6.4+\\left(-2.9\\right)[\/latex]<\/li>\r\n \t<li>[latex]1.83 - 4.2[\/latex]\r\n[reveal-answer q=\"466020\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"466020\"]\u22122.37[\/hidden-answer]<\/li>\r\n<\/ol>\r\n<h3><strong>Multiply Decimals<\/strong><\/h3>\r\nIn the following exercises, multiply.\r\n<ol>\r\n \t<li>[latex]\\left(0.3\\right)\\left(0.7\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\left(-6.4\\right)\\left(0.25\\right)[\/latex]\r\n[reveal-answer q=\"623395\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"623395\"]\u22121.6[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(-3.35\\right)\\left(-12.7\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\left(15.4\\right)\\left(1000\\right)[\/latex]\r\n[reveal-answer q=\"285983\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"285983\"]15,400[\/hidden-answer]<\/li>\r\n<\/ol>\r\n<h3><strong>Divide Decimals<\/strong><\/h3>\r\nIn the following exercises, divide.\r\n<ol>\r\n \t<li>[latex]0.48\\div 6[\/latex]<\/li>\r\n \t<li>[latex]4.32\\div 24[\/latex]\r\n[reveal-answer q=\"772793\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"772793\"]0.18[\/hidden-answer]<\/li>\r\n \t<li>[latex]{$6.29}\\div 12[\/latex]<\/li>\r\n \t<li>[latex]\\left(-0.8\\right)\\div \\left(-0.2\\right)[\/latex]\r\n[reveal-answer q=\"994918\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"994918\"]4[\/hidden-answer]<\/li>\r\n \t<li>[latex]1.65\\div 0.15[\/latex]<\/li>\r\n \t<li>[latex]9\\div 0.045[\/latex]\r\n[reveal-answer q=\"476167\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"476167\"]200[\/hidden-answer]<\/li>\r\n<\/ol>\r\n<h3><strong>Use Decimals in Money Applications<\/strong><\/h3>\r\nIn the following exercises, use the strategy for applications to solve.\r\n<ol>\r\n \t<li>Miranda got [latex]{$40}[\/latex] from her ATM. She spent [latex]{$9.32}[\/latex] on lunch and [latex]{$16.99}[\/latex] on a book. How much money did she have left? Round to the nearest cent if necessary.<\/li>\r\n \t<li>Jessie put [latex]8[\/latex] gallons of gas in her car. One gallon of gas costs [latex]{$3.528.}[\/latex] How much did Jessie owe for all the gas?\r\n[reveal-answer q=\"979400\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"979400\"]$28.22[\/hidden-answer]<\/li>\r\n \t<li>A pack of [latex]16[\/latex] water bottles cost [latex]{$6.72.}[\/latex] How much did each bottle cost?<\/li>\r\n \t<li>Alice bought a roll of paper towels that cost [latex]{$2.49.}[\/latex] She had a coupon for [latex]{$0.35}[\/latex] off, and the store doubled the coupon. How much did Alice pay for the paper towels?\r\n[reveal-answer q=\"848379\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"848379\"]$1.79[\/hidden-answer]<\/li>\r\n<\/ol>\r\n<h3>Decimals and Fractions<\/h3>\r\n<strong>Convert Fractions to Decimals<\/strong>\r\nIn the following exercises, convert each fraction to a decimal.\r\n<ol>\r\n \t<li>[latex]\\Large\\frac{3}{5}[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{7}{8}[\/latex]\r\n[reveal-answer q=\"527285\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"527285\"]0.875[\/hidden-answer]<\/li>\r\n \t<li>[latex]-\\Large\\frac{19}{20}[\/latex]<\/li>\r\n \t<li>[latex]-\\Large\\frac{21}{4}[\/latex]\r\n[reveal-answer q=\"290526\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"290526\"]\u22125.25[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{1}{3}[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{6}{11}[\/latex]\r\n[reveal-answer q=\"688890\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"688890\"][latex]0.\\stackrel{\\text{-}}{54}[\/latex][\/hidden-answer]<\/li>\r\n<\/ol>\r\n<h3><strong>Order Decimals and Fractions<\/strong><\/h3>\r\nIn the following exercises, order each pair of numbers, using [latex]&amp;lt[\/latex]; or [latex]\\text{&gt;.}[\/latex]\r\n<ol>\r\n \t<li>[latex]\\Large\\frac{1}{2}\\text{___}\\normalsize 0.2[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{3}{5}\\text{___}\\normalsize 0[\/latex].\r\n[reveal-answer q=\"261457\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"261457\"]&gt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]-\\Large\\frac{7}{8}\\text{___}\\normalsize - 0.84[\/latex]<\/li>\r\n \t<li>[latex]-\\Large\\frac{5}{12}\\text{___}\\normalsize - 0.42[\/latex]\r\n[reveal-answer q=\"437665\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"437665\"]&gt;[\/hidden-answer]<\/li>\r\n \t<li>[latex]0.625\\text{___}\\Large\\frac{13}{20}[\/latex]<\/li>\r\n \t<li>[latex]0.33\\text{___}\\Large\\frac{5}{16}[\/latex]\r\n[reveal-answer q=\"577503\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"577503\"]&gt;[\/hidden-answer]<\/li>\r\n<\/ol>\r\nIn the following exercises, write each set of numbers in order from least to greatest.\r\n<ol>\r\n \t<li>[latex]\\Large\\frac{2}{3}\\normalsize ,\\Large\\frac{17}{20}\\normalsize ,0.65[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{7}{9}\\normalsize ,0.75\\normalsize ,\\Large\\frac{11}{15}[\/latex]\r\n[reveal-answer q=\"378060\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"378060\"][latex]\\Large\\frac{11}{15}\\normalsize ,0.75,\\Large\\frac{7}{9}[\/latex][\/hidden-answer]<\/li>\r\n<\/ol>\r\n<strong>Simplify Expressions Using the Order of Operations<\/strong>\r\nIn the following exercises, simplify\r\n<ol>\r\n \t<li>[latex]4\\left(10.3 - 5.8\\right)[\/latex]<\/li>\r\n \t<li>[latex]\\Large\\frac{3}{4}\\normalsize\\left(15.44 - 7.4\\right)[\/latex]\r\n[reveal-answer q=\"640694\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"640694\"]6.03[\/hidden-answer]<\/li>\r\n \t<li>[latex]30\\div \\left(0.45+0.15\\right)[\/latex]<\/li>\r\n \t<li>[latex]1.6+\\Large\\frac{3}{8}[\/latex]\r\n[reveal-answer q=\"807946\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"807946\"]1.975[\/hidden-answer]<\/li>\r\n \t<li>[latex]52\\left(0.5\\right)+{\\left(0.4\\right)}^{2}[\/latex]<\/li>\r\n \t<li>[latex]-\\Large\\frac{2}{5}\\normalsize\\cdot\\Large\\frac{9}{10}\\normalsize +0.14[\/latex]\r\n[reveal-answer q=\"330532\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"330532\"]\u22120.22[\/hidden-answer]<\/li>\r\n<\/ol>\r\n<h3><strong>Find the Circumference and Area of Circles<\/strong><\/h3>\r\nIn the following exercises, approximate the \u24d0 circumference and \u24d1 area of each circle.\r\n<ol>\r\n \t<li>[latex]\\text{radius}=\\text{6 in.}[\/latex]<\/li>\r\n \t<li>[latex]\\text{radius}=\\text{3.5 ft.}[\/latex]\r\n[reveal-answer q=\"138242\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"138242\"]\u24d0 21.98 ft. \u24d1 38.465 sq.ft.[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\text{radius}=\\Large\\frac{7}{33}\\normalsize\\text{m}[\/latex]<\/li>\r\n \t<li>[latex]\\text{diameter}=\\text{11 cm}[\/latex]\r\n[reveal-answer q=\"976741\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"976741\"]\u24d0 34.54 cm \u24d1 379.94 sq.cm[\/hidden-answer]<\/li>\r\n<\/ol>\r\n<div class=\"textbox examples\">\r\n<h3>Chapter Practice Test<\/h3>\r\n<ol>\r\n \t<li>Write six and thirty-four thousandths as a decimal.<\/li>\r\n \t<li>Write [latex]1.73[\/latex] as a fraction.\r\n[reveal-answer q=\"600240\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"600240\"][latex]1\\Large\\frac{73}{100}[\/latex][\/hidden-answer]<\/li>\r\n \t<li>Write [latex]\\Large\\frac{5}{8}[\/latex] as a decimal.<\/li>\r\n \t<li>Round [latex]16.749[\/latex] to the nearest \u24d0 tenth \u24d1 hundredth \u24d2 whole number\r\n[reveal-answer q=\"347848\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"347848\"]\u24d0 16.7 \u24d1 16.75 \u24d2 17[\/hidden-answer]<\/li>\r\n \t<li>Write the numbers [latex]\\Large\\frac{4}{5}\\normalsize ,-0.1,0.804,\\Large\\frac{2}{9}\\normalsize ,-7.4,0.21[\/latex] in order from smallest to largest.<\/li>\r\n<\/ol>\r\nIn the following exercises, simplify each expression.\r\n<ol>\r\n \t<li>[latex]15.4+3.02[\/latex]\r\n[reveal-answer q=\"55734\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"55734\"]18.42[\/hidden-answer]<\/li>\r\n \t<li>[latex]20 - 5.71[\/latex]<\/li>\r\n \t<li>[latex]\\left(0.64\\right)\\left(0.3\\right)[\/latex]\r\n[reveal-answer q=\"893611\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"893611\"]0.192[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\left(-4.2\\right)\\left(100\\right)[\/latex]<\/li>\r\n \t<li>[latex]0.96\\div \\left(-12\\right)[\/latex]\r\n[reveal-answer q=\"928567\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"928567\"]\u22120.08[\/hidden-answer]<\/li>\r\n \t<li>[latex]-5\\div 0.025[\/latex]<\/li>\r\n \t<li>[latex]-0.6\\div \\left(-0.3\\right)[\/latex]\r\n[reveal-answer q=\"203291\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"203291\"]2[\/hidden-answer]<\/li>\r\n \t<li>[latex]{\\left(0.7\\right)}^{2}[\/latex]<\/li>\r\n \t<li>[latex]24\\div \\left(0.1+0.02\\right)[\/latex]\r\n[reveal-answer q=\"496593\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"496593\"]200[\/hidden-answer]<\/li>\r\n \t<li>[latex]4\\left(10.3 - 5.8\\right)[\/latex]<\/li>\r\n \t<li>[latex]1.6+\\Large\\frac{3}{8}[\/latex]\r\n[reveal-answer q=\"706679\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"706679\"]1.975[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{2}{3}\\normalsize\\left(14.65 - 4.6\\right)[\/latex]<\/li>\r\n<\/ol>\r\n&nbsp;\r\n\r\nIn the following exercises, solve.\r\n<ol>\r\n \t<li>[latex]m+3.7=2.5[\/latex]\r\n[reveal-answer q=\"810140\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"810140\"]\u22121.2[\/hidden-answer]<\/li>\r\n \t<li>[latex]\\Large\\frac{h}{0.5}\\normalsize =4.38[\/latex]<\/li>\r\n \t<li>[latex]-6.5y=-57.2[\/latex]\r\n[reveal-answer q=\"76654\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"76654\"]8.8[\/hidden-answer]<\/li>\r\n \t<li>[latex]1.94=a - 2.6[\/latex]<\/li>\r\n \t<li>Three friends went out to dinner and agreed to split the bill evenly. The bill was [latex]{$79.35}[\/latex]. How much should each person pay?\r\n[reveal-answer q=\"159619\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"159619\"]$26.45[\/hidden-answer]<\/li>\r\n \t<li>A circle has radius [latex]12[\/latex]. Find the \u24d0 circumference and \u24d1 area. [latex]\\text{[}\\text{Use}3.14\\text{for}\\pi \\text{.]}[\/latex]<\/li>\r\n \t<li>The ages, in months, of [latex]10[\/latex] children in a preschool class are:[latex]55[\/latex] , [latex]55[\/latex] , [latex]50[\/latex] , [latex]51[\/latex] , [latex]52[\/latex] , [latex]50[\/latex] , [latex]53[\/latex] , [latex]51[\/latex] , [latex]55[\/latex] , [latex]49[\/latex]Find the \u24d0 mean \u24d1 median \u24d2 mode[reveal-answer q=\"980029\"]Show Solution[\/reveal-answer][hidden-answer a=\"980029\"]\u24d0 59 \u24d1 51.5 \u24d2 55[\/hidden-answer]<\/li>\r\n \t<li>Of the [latex]16[\/latex] nurses in Doreen\u2019s department, [latex]12[\/latex] are women and [latex]4[\/latex] are men. One of the nurses will be assigned at random to work an extra shift next week. \u24d0 Find the probability a woman nurse will be assigned the extra shift. \u24d1 Convert the fraction to a decimal.<\/li>\r\n<\/ol>\r\n<strong>Find each unit price and then the better buy.<\/strong>\r\n\r\nLaundry detergent: [latex]64[\/latex] ounces for [latex]{$10.99}[\/latex] or [latex]48[\/latex] ounces for [latex]{$8.49}[\/latex]\r\n[reveal-answer q=\"425675\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"425675\"]64 ounces for $10.99 is the better buy[\/hidden-answer]\r\n\r\n&nbsp;\r\n\r\nIn the following exercises, simplify.\r\n<ol>\r\n \t<li>[latex]\\sqrt{36+64}[\/latex]<\/li>\r\n \t<li>[latex]\\sqrt{144{n}^{2}}[\/latex]\r\n[reveal-answer q=\"44970\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"44970\"]12n[\/hidden-answer]<\/li>\r\n \t<li>Estimate [latex]\\sqrt{54}[\/latex] to between two whole numbers.<\/li>\r\n \t<li>Yanet wants a square patio in her backyard. She has [latex]225[\/latex] square feet of tile. How long can a side of the patio be?\r\n[reveal-answer q=\"546060\"]Show Solution[\/reveal-answer]\r\n[hidden-answer a=\"546060\"]15 feet[\/hidden-answer]<\/li>\r\n<\/ol>\r\n&nbsp;\r\n\r\n<\/div>\r\n&nbsp;\r\n<h2>Contribute!<\/h2><div style=\"margin-bottom: 8px;\">Did you have an idea for improving this content? We\u2019d love your input.<\/div><a href=\"https:\/\/docs.google.com\/document\/d\/1fAhXNHFYF66TpsEn8jscv8kYZkzpbHhFf5YsyPhZBew\" target=\"_blank\" style=\"font-size: 10pt; font-weight: 600; color: #077fab; text-decoration: none; border: 2px solid #077fab; border-radius: 7px; padding: 5px 25px; text-align: center; cursor: pointer; line-height: 1.5em;\">Improve this page<\/a><a style=\"margin-left: 16px;\" target=\"_blank\" href=\"https:\/\/docs.google.com\/document\/d\/1vy-T6DtTF-BbMfpVEI7VP_R7w2A4anzYZLXR8Pk4Fu4\">Learn More<\/a>","rendered":"<h2>Writing and Identifying Characteristics of Decimals<\/h2>\n<h3>Name Decimals<\/h3>\n<p>In the following exercises, name each decimal.<\/p>\n<ol>\n<li>[latex]5.5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q260862\">Show Solution<\/span><\/p>\n<div id=\"q260862\" class=\"hidden-answer\" style=\"display: none\">five and five tenths<\/div>\n<\/div>\n<\/li>\n<li>[latex]7.8[\/latex]<\/li>\n<li>[latex]5.01[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q78722\">Show Solution<\/span><\/p>\n<div id=\"q78722\" class=\"hidden-answer\" style=\"display: none\">five and one hundredth<\/div>\n<\/div>\n<\/li>\n<li>[latex]14.02[\/latex]<\/li>\n<li>[latex]8.71[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q9000\">Show Solution<\/span><\/p>\n<div id=\"q9000\" class=\"hidden-answer\" style=\"display: none\">eight and seventy-one hundredths<\/div>\n<\/div>\n<\/li>\n<li>[latex]2.64[\/latex]<\/li>\n<li>[latex]0.002[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q710387\">Show Solution<\/span><\/p>\n<div id=\"q710387\" class=\"hidden-answer\" style=\"display: none\">two thousandths<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.005[\/latex]<\/li>\n<li>[latex]0.381[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q15985\">Show Solution<\/span><\/p>\n<div id=\"q15985\" class=\"hidden-answer\" style=\"display: none\">three hundred eighty-one thousandths<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.479[\/latex]<\/li>\n<li>[latex]-17.9[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q6472\">Show Solution<\/span><\/p>\n<div id=\"q6472\" class=\"hidden-answer\" style=\"display: none\">negative seventeen and nine tenths<\/div>\n<\/div>\n<\/li>\n<li>[latex]-31.4[\/latex]<\/li>\n<\/ol>\n<h3>Write Decimals<\/h3>\n<p>In the following exercises, translate the name into a decimal number.<\/p>\n<ol>\n<li>Eight and three hundredths\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q906682\">Show Solution<\/span><\/p>\n<div id=\"q906682\" class=\"hidden-answer\" style=\"display: none\">8.03<\/div>\n<\/div>\n<\/li>\n<li>Nine and seven hundredths<\/li>\n<li>Twenty-nine and eighty-one hundredths\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q531061\">Show Solution<\/span><\/p>\n<div id=\"q531061\" class=\"hidden-answer\" style=\"display: none\">29.81<\/div>\n<\/div>\n<\/li>\n<li>Sixty-one and seventy-four hundredths<\/li>\n<li>Seven tenths\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q11799\">Show Solution<\/span><\/p>\n<div id=\"q11799\" class=\"hidden-answer\" style=\"display: none\">0.7<\/div>\n<\/div>\n<\/li>\n<li>Six tenths<\/li>\n<li>One thousandth\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q120793\">Show Solution<\/span><\/p>\n<div id=\"q120793\" class=\"hidden-answer\" style=\"display: none\">0.001<\/div>\n<\/div>\n<\/li>\n<li>Nine thousandths<\/li>\n<li>Twenty-nine thousandths\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q98054\">Show Solution<\/span><\/p>\n<div id=\"q98054\" class=\"hidden-answer\" style=\"display: none\">0.029<\/div>\n<\/div>\n<\/li>\n<li>Thirty-five thousandths<\/li>\n<li>Negative eleven and nine ten-thousandths\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q52877\">Show Solution<\/span><\/p>\n<div id=\"q52877\" class=\"hidden-answer\" style=\"display: none\">\u221211.0009<\/div>\n<\/div>\n<\/li>\n<li>Negative fifty-nine and two ten-thousandths<\/li>\n<li>Thirteen and three hundred ninety-five ten thousandths\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q401588\">Show Solution<\/span><\/p>\n<div id=\"q401588\" class=\"hidden-answer\" style=\"display: none\">13.0395<\/div>\n<\/div>\n<\/li>\n<li>Thirty and two hundred seventy-nine thousandths<\/li>\n<\/ol>\n<h3>Convert Decimals to Fractions or Mixed Numbers<\/h3>\n<p>In the following exercises, convert each decimal to a fraction or mixed number.<\/p>\n<ol>\n<li>[latex]1.99[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q488534\">Show Solution<\/span><\/p>\n<div id=\"q488534\" class=\"hidden-answer\" style=\"display: none\">[latex]1\\Large\\frac{99}{100}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]5.83[\/latex]<\/li>\n<li>[latex]15.7[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q852986\">Show Solution<\/span><\/p>\n<div id=\"q852986\" class=\"hidden-answer\" style=\"display: none\">[latex]15\\Large\\frac{7}{10}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]18.1[\/latex]<\/li>\n<li>[latex]0.239[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q299986\">Show Solution<\/span><\/p>\n<div id=\"q299986\" class=\"hidden-answer\" style=\"display: none\">[latex]\\Large\\frac{239}{1000}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.373[\/latex]<\/li>\n<li>[latex]0.13[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q603357\">Show Solution<\/span><\/p>\n<div id=\"q603357\" class=\"hidden-answer\" style=\"display: none\">[latex]\\Large\\frac{13}{100}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.19[\/latex]<\/li>\n<li>[latex]0.011[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q522496\">Show Solution<\/span><\/p>\n<div id=\"q522496\" class=\"hidden-answer\" style=\"display: none\">[latex]\\Large\\frac{11}{1000}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.049[\/latex]<\/li>\n<li>[latex]-0.00007[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q457483\">Show Solution<\/span><\/p>\n<div id=\"q457483\" class=\"hidden-answer\" style=\"display: none\">[latex]-\\Large\\frac{7}{100000}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]-0.00003[\/latex]<\/li>\n<li>[latex]6.4[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q819152\">Show Solution<\/span><\/p>\n<div id=\"q819152\" class=\"hidden-answer\" style=\"display: none\">[latex]6\\Large\\frac{2}{5}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]5.2[\/latex]<\/li>\n<li>[latex]7.05[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q192449\">Show Solution<\/span><\/p>\n<div id=\"q192449\" class=\"hidden-answer\" style=\"display: none\">[latex]7\\Large\\frac{1}{20}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]9.04[\/latex]<\/li>\n<li>[latex]4.006[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q816301\">Show Solution<\/span><\/p>\n<div id=\"q816301\" class=\"hidden-answer\" style=\"display: none\">[latex]4\\Large\\frac{3}{500}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]2.008[\/latex]<\/li>\n<li>[latex]10.25[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q276220\">Show Solution<\/span><\/p>\n<div id=\"q276220\" class=\"hidden-answer\" style=\"display: none\">[latex]10\\Large\\frac{1}{4}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]12.75[\/latex]<\/li>\n<li>[latex]1.324[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q588624\">Show Solution<\/span><\/p>\n<div id=\"q588624\" class=\"hidden-answer\" style=\"display: none\">[latex]1\\Large\\frac{81}{250}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]2.482[\/latex]<\/li>\n<li>[latex]14.125[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q624852\">Show Solution<\/span><\/p>\n<div id=\"q624852\" class=\"hidden-answer\" style=\"display: none\">[latex]14\\Large\\frac{1}{8}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]20.375[\/latex]<\/li>\n<\/ol>\n<h3>Locate Decimals on the Number Line<\/h3>\n<p>In the following exercises, locate each number on a number line.<\/p>\n<ol>\n<li>[latex]0.8[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q13983\">Show Solution<\/span><\/p>\n<div id=\"q13983\" class=\"hidden-answer\" style=\"display: none\"><img decoding=\"async\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/277\/2017\/04\/24221530\/CNX_BMath_Figure_05_01_201_img.png\" alt=\"There is a number line shown with integers from negative 4 to 4. There is a red dot between 0 and 1 labeled 0.8.\" \/> <\/div>\n<\/div>\n<\/li>\n<li>[latex]0.3[\/latex]<\/li>\n<li>[latex]-0.2[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q586775\">Show Solution<\/span><\/p>\n<div id=\"q586775\" class=\"hidden-answer\" style=\"display: none\"><img decoding=\"async\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/277\/2017\/04\/24221532\/CNX_BMath_Figure_05_01_203_img.png\" alt=\"There is a number line shown with integers from negative 4 to 4. There is a red dot between negative 1 and 0 labeled negative 0.2.\" \/><\/div>\n<\/div>\n<\/li>\n<li>[latex]-0.9[\/latex]<\/li>\n<li>[latex]3.1[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q524176\">Show Solution<\/span><\/p>\n<div id=\"q524176\" class=\"hidden-answer\" style=\"display: none\"><img decoding=\"async\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/277\/2017\/04\/24221533\/CNX_BMath_Figure_05_01_209_img.png\" alt=\"This is an image of a number line. It spans from negative 5 on the left to 5 on the right. To the right of 0 are tick marks with the numbers 1, 2, 3, 4, 5 on the number line. To the left of the zero are tick marks with the numbers negative 1, negative 2, negative 3, negative 4, and negative 5. A point is plotted at 3.1.\" \/><\/div>\n<\/div>\n<\/li>\n<li>[latex]2.7[\/latex]<\/li>\n<li>[latex]-2.5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q747411\">Show Solution<\/span><\/p>\n<div id=\"q747411\" class=\"hidden-answer\" style=\"display: none\"><img decoding=\"async\" src=\"https:\/\/s3-us-west-2.amazonaws.com\/courses-images\/wp-content\/uploads\/sites\/277\/2017\/04\/24221536\/CNX_BMath_Figure_05_01_206_img.png\" alt=\"There is a number line shown with integers from negative 4 to 4. There is a red dot between negative 3 and negative 2 labeled negative 2.5.\" \/> <\/div>\n<\/div>\n<\/li>\n<li>[latex]-1.6[\/latex]<\/li>\n<\/ol>\n<h3>Order Decimals<\/h3>\n<p>In the following exercises, order each of the following pairs of numbers, using [latex]<\\text{or}&gt[\/latex];.\n\n\n<ol>\n<li>[latex]0.9\\text{__}0.6[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q654271\">Show Solution<\/span><\/p>\n<div id=\"q654271\" class=\"hidden-answer\" style=\"display: none\">&gt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.7\\text{__}0.8[\/latex]<\/li>\n<li>[latex]0.37\\text{__}0.63[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q917694\">Show Solution<\/span><\/p>\n<div id=\"q917694\" class=\"hidden-answer\" style=\"display: none\">&lt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.86\\text{__}0.69[\/latex]<\/li>\n<li>[latex]0.6\\text{__}0.59[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q458017\">Show Solution<\/span><\/p>\n<div id=\"q458017\" class=\"hidden-answer\" style=\"display: none\">&gt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.27\\text{__}0.3[\/latex]<\/li>\n<li>[latex]0.91\\text{__}0.901[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q262490\">Show Solution<\/span><\/p>\n<div id=\"q262490\" class=\"hidden-answer\" style=\"display: none\">&gt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.415\\text{__}0.41[\/latex]<\/li>\n<li>[latex]-0.5\\text{__} - 0.3[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q729421\">Show Solution<\/span><\/p>\n<div id=\"q729421\" class=\"hidden-answer\" style=\"display: none\">&lt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]-0.1\\text{__} - 0.4[\/latex]<\/li>\n<li>[latex]-0.62\\text{__} - 0.619[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q771972\">Show Solution<\/span><\/p>\n<div id=\"q771972\" class=\"hidden-answer\" style=\"display: none\">&lt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]-7.31\\text{__} - 7.3[\/latex]<\/li>\n<\/ol>\n<h3>Round Decimals<\/h3>\n<p>In the following exercises, round each number to the nearest tenth.<\/p>\n<ol>\n<li>[latex]0.67[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q61001\">Show Solution<\/span><\/p>\n<div id=\"q61001\" class=\"hidden-answer\" style=\"display: none\">0.7<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.49[\/latex]<\/li>\n<li>[latex]2.84[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q177776\">Show Solution<\/span><\/p>\n<div id=\"q177776\" class=\"hidden-answer\" style=\"display: none\">2.8<\/div>\n<\/div>\n<\/li>\n<li>[latex]4.63[\/latex]<\/li>\n<\/ol>\n<p>In the following exercises, round each number to the nearest hundredth.<\/p>\n<ol>\n<li>[latex]0.845[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q359218\">Show Solution<\/span><\/p>\n<div id=\"q359218\" class=\"hidden-answer\" style=\"display: none\">0.85<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.761[\/latex]<\/li>\n<li>[latex]5.7932[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q387240\">Show Solution<\/span><\/p>\n<div id=\"q387240\" class=\"hidden-answer\" style=\"display: none\">5.79<\/div>\n<\/div>\n<\/li>\n<li>[latex]3.6284[\/latex]<\/li>\n<li>[latex]0.299[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q616466\">Show Solution<\/span><\/p>\n<div id=\"q616466\" class=\"hidden-answer\" style=\"display: none\">0.30<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.697[\/latex]<\/li>\n<li>[latex]4.098[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q573136\">Show Solution<\/span><\/p>\n<div id=\"q573136\" class=\"hidden-answer\" style=\"display: none\">4.10<\/div>\n<\/div>\n<\/li>\n<li>[latex]7.096[\/latex]<\/li>\n<\/ol>\n<p>In the following exercises, round each number to the nearest \u24d0 hundredth \u24d1 tenth \u24d2 whole number.<\/p>\n<ol>\n<li>[latex]5.781[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q369656\">Show Solution<\/span><\/p>\n<div id=\"q369656\" class=\"hidden-answer\" style=\"display: none\">\u24d0 5.78 \u24d1 5.8 \u24d2 6<\/div>\n<\/div>\n<\/li>\n<li>[latex]1.638[\/latex]<\/li>\n<li>[latex]63.479[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q479129\">Show Solution<\/span><\/p>\n<div id=\"q479129\" class=\"hidden-answer\" style=\"display: none\">\u24d0 63.48 \u24d1 63.5 \u24d2 63<\/div>\n<\/div>\n<\/li>\n<li>[latex]84.281[\/latex]<\/li>\n<\/ol>\n<div class=\"textbox exercises\">\n<h3>Everyday Math<\/h3>\n<h4>Salary Increase<\/h4>\n<p>Danny got a raise and now makes [latex]{$58,965.95}[\/latex] a year. Round this number to the nearest:<br \/>\n\u24d0 dollar<br \/>\n\u24d1 thousand dollars<br \/>\n\u24d2 ten thousand dollars.<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q6810\">Show Solution<\/span><\/p>\n<div id=\"q6810\" class=\"hidden-answer\" style=\"display: none\">\u24d0 $58,966 \u24d1 $59,000 \u24d2 $60,000<\/div>\n<\/div>\n<h4>New Car Purchase<\/h4>\n<p>Selena\u2019s new car cost [latex]{$23,795.95}[\/latex]. Round this number to the nearest:<\/p>\n<ol>\n<li>\u00a0dollar<\/li>\n<li>thousand dollars<\/li>\n<li>ten thousand dollars.<\/li>\n<\/ol>\n<h4>Sales Tax<\/h4>\n<p>Hyo Jin lives in San Diego. She bought a refrigerator for [latex]{$1624.99}[\/latex] and when the clerk calculated the sales tax it came out to exactly [latex]{$142.186625}[\/latex]. Round the sales tax to the nearest \u24d0 penny \u24d1 dollar.<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q197088\">Show Solution<\/span><\/p>\n<div id=\"q197088\" class=\"hidden-answer\" style=\"display: none\">\u24d0 $142.19 \u24d1 $142<\/div>\n<\/div>\n<h4>Sales Tax<\/h4>\n<p>Jennifer bought a [latex]{$1,038.99}[\/latex] dining room set for her home in Cincinnati. She calculated the sales tax to be exactly [latex]{$67.53435}[\/latex]. Round the sales tax to the nearest \u24d0 penny \u24d1 dollar.<\/p>\n<\/div>\n<div class=\"textbox learning-objectives\">\n<h3>Writing Exercises<\/h3>\n<p>How does your knowledge of money help you learn about decimals<\/p>\n<p><textarea aria-label=\"Your Answer\" rows=\"4\"><\/textarea><\/p>\n<p>Explain how you write &#8220;three and nine hundredths&#8221; as a decimal.<\/p>\n<p><textarea aria-label=\"Your Answer\" rows=\"4\"><\/textarea><\/p>\n<p>Jim ran a [latex]100-meter[\/latex] race in [latex]\\text{12.32 seconds}[\/latex]. Tim ran the same race in [latex]\\text{12.3 seconds}[\/latex]. Who had the faster time, Jim or Tim? How do you know?<\/p>\n<p><textarea aria-label=\"Your Answer\" rows=\"4\"><\/textarea><\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q139909\">Show Solution<\/span><\/p>\n<div id=\"q139909\" class=\"hidden-answer\" style=\"display: none\">Tim had the faster time. 12.3 is less than 12.32, so Tim had the faster time.<\/div>\n<\/div>\n<p>Gerry saw a sign advertising postcards marked for sale at &#8220;10 for 0.99\u00a2&#8221;What is wrong with the advertised price?<\/p>\n<p><textarea aria-label=\"Your Answer\" rows=\"4\"><\/textarea><\/p>\n<\/div>\n<h2>Operations on Decimals<\/h2>\n<h3>Add and Subtract Decimals<\/h3>\n<p>In the following exercises, add or subtract.<\/p>\n<ol>\n<li>[latex]16.92+7.56[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q630823\">Show Solution<\/span><\/p>\n<div id=\"q630823\" class=\"hidden-answer\" style=\"display: none\">24.48<\/div>\n<\/div>\n<\/li>\n<li>[latex]18.37+9.36[\/latex]<\/li>\n<li>[latex]256.37 - 85.49[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q704159\">Show Solution<\/span><\/p>\n<div id=\"q704159\" class=\"hidden-answer\" style=\"display: none\">170.88<\/div>\n<\/div>\n<\/li>\n<li>[latex]248.25 - 91.29[\/latex]<\/li>\n<li>[latex]21.76 - 30.99[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q156089\">Show Solution<\/span><\/p>\n<div id=\"q156089\" class=\"hidden-answer\" style=\"display: none\">\u22129.23<\/div>\n<\/div>\n<\/li>\n<li>[latex]15.35 - 20.88[\/latex]<\/li>\n<li>[latex]37.5+12.23[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q941770\">Show Solution<\/span><\/p>\n<div id=\"q941770\" class=\"hidden-answer\" style=\"display: none\">49.73<\/div>\n<\/div>\n<\/li>\n<li>[latex]38.6+13.67[\/latex]<\/li>\n<li>[latex]-16.53 - 24.38[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q555673\">Show Solution<\/span><\/p>\n<div id=\"q555673\" class=\"hidden-answer\" style=\"display: none\">\u221240.91<\/div>\n<\/div>\n<\/li>\n<li>[latex]-19.47 - 32.58[\/latex]<\/li>\n<li>[latex]-38.69+31.47[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q114832\">Show Solution<\/span><\/p>\n<div id=\"q114832\" class=\"hidden-answer\" style=\"display: none\">\u22127.22<\/div>\n<\/div>\n<\/li>\n<li>[latex]-29.83+19.76[\/latex]<\/li>\n<li>[latex]-4.2+\\left(-9.3\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q971281\">Show Solution<\/span><\/p>\n<div id=\"q971281\" class=\"hidden-answer\" style=\"display: none\">\u221213.5<\/div>\n<\/div>\n<\/li>\n<li>[latex]-8.6+\\left(-8.6\\right)[\/latex]<\/li>\n<li>[latex]100 - 64.2[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q463533\">Show Solution<\/span><\/p>\n<div id=\"q463533\" class=\"hidden-answer\" style=\"display: none\">35.8<\/div>\n<\/div>\n<\/li>\n<li>[latex]100 - 65.83[\/latex]<\/li>\n<li>[latex]72.5 - 100[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q779709\">Show Solution<\/span><\/p>\n<div id=\"q779709\" class=\"hidden-answer\" style=\"display: none\">\u221227.5<\/div>\n<\/div>\n<\/li>\n<li>[latex]86.2 - 100[\/latex]<\/li>\n<li>[latex]15+0.73[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q709036\">Show Solution<\/span><\/p>\n<div id=\"q709036\" class=\"hidden-answer\" style=\"display: none\">15.73<\/div>\n<\/div>\n<\/li>\n<li>[latex]27+0.87[\/latex]<\/li>\n<li>[latex]2.51+40[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q930219\">Show Solution<\/span><\/p>\n<div id=\"q930219\" class=\"hidden-answer\" style=\"display: none\">42.51<\/div>\n<\/div>\n<\/li>\n<li>[latex]9.38+60[\/latex]<\/li>\n<li>[latex]91.75-\\left(-10.462\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q464030\">Show Solution<\/span><\/p>\n<div id=\"q464030\" class=\"hidden-answer\" style=\"display: none\">102.212<\/div>\n<\/div>\n<\/li>\n<li>[latex]94.69-\\left(-12.678\\right)[\/latex]<\/li>\n<li>[latex]55.01 - 3.7[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q536325\">Show Solution<\/span><\/p>\n<div id=\"q536325\" class=\"hidden-answer\" style=\"display: none\">51.31<\/div>\n<\/div>\n<\/li>\n<li>[latex]59.08 - 4.6[\/latex]<\/li>\n<li>[latex]2.51 - 7.4[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q612518\">Show Solution<\/span><\/p>\n<div id=\"q612518\" class=\"hidden-answer\" style=\"display: none\">\u22124.89<\/div>\n<\/div>\n<\/li>\n<li>[latex]3.84 - 6.1[\/latex]<\/li>\n<\/ol>\n<h3>Multiply Decimals<\/h3>\n<p>In the following exercises, multiply.<\/p>\n<ol>\n<li>[latex]\\left(0.3\\right)\\left(0.4\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q969144\">Show Solution<\/span><\/p>\n<div id=\"q969144\" class=\"hidden-answer\" style=\"display: none\">0.12<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(0.6\\right)\\left(0.7\\right)[\/latex]<\/li>\n<li>[latex]\\left(0.24\\right)\\left(0.6\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q290162\">Show Solution<\/span><\/p>\n<div id=\"q290162\" class=\"hidden-answer\" style=\"display: none\">0.144<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(0.81\\right)\\left(0.3\\right)[\/latex]<\/li>\n<li>[latex]\\left(5.9\\right)\\left(7.12\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q158586\">Show Solution<\/span><\/p>\n<div id=\"q158586\" class=\"hidden-answer\" style=\"display: none\">42.008<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(2.3\\right)\\left(9.41\\right)[\/latex]<\/li>\n<li>[latex]\\left(8.52\\right)\\left(3.14\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q581727\">Show Solution<\/span><\/p>\n<div id=\"q581727\" class=\"hidden-answer\" style=\"display: none\">26.7528<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(5.32\\right)\\left(4.86\\right)[\/latex]<\/li>\n<li>[latex]\\text{(-4.3)(2.71)}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q741176\">Show Solution<\/span><\/p>\n<div id=\"q741176\" class=\"hidden-answer\" style=\"display: none\">\u221211.653<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(-8.5\\right)\\left(1.69\\right)[\/latex]<\/li>\n<li>[latex]\\text{(-5.18)(-65.23)}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q988216\">Show Solution<\/span><\/p>\n<div id=\"q988216\" class=\"hidden-answer\" style=\"display: none\">337.8914<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(-9.16\\right)\\left(-68.34\\right)[\/latex]<\/li>\n<li>[latex]\\left(0.09\\right)\\left(24.78\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q8221\">Show Solution<\/span><\/p>\n<div id=\"q8221\" class=\"hidden-answer\" style=\"display: none\">2.2302<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(0.04\\right)\\left(36.89\\right)[\/latex]<\/li>\n<li>[latex]\\left(0.06\\right)\\left(21.75\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q637452\">Show Solution<\/span><\/p>\n<div id=\"q637452\" class=\"hidden-answer\" style=\"display: none\">1.305<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(0.08\\right)\\left(52.45\\right)[\/latex]<\/li>\n<li>[latex]\\left(9.24\\right)\\left(10\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q485395\">Show Solution<\/span><\/p>\n<div id=\"q485395\" class=\"hidden-answer\" style=\"display: none\">92.4<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(6.531\\right)\\left(10\\right)[\/latex]<\/li>\n<li>[latex]\\left(55.2\\right)\\left(1,000\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q3291\">Show Solution<\/span><\/p>\n<div id=\"q3291\" class=\"hidden-answer\" style=\"display: none\">55,200<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(99.4\\right)\\left(1,000\\right)[\/latex]<\/li>\n<\/ol>\n<h3>Divide Decimals<\/h3>\n<p>In the following exercises, divide.<\/p>\n<ol>\n<li>[latex]0.15\\div 5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q170858\">Show Solution<\/span><\/p>\n<div id=\"q170858\" class=\"hidden-answer\" style=\"display: none\">0.03<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.27\\div 3[\/latex]<\/li>\n<li>[latex]4.75\\div 25[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q365520\">Show Solution<\/span><\/p>\n<div id=\"q365520\" class=\"hidden-answer\" style=\"display: none\">0.19<\/div>\n<\/div>\n<\/li>\n<li>[latex]12.04\\div 43[\/latex]<\/li>\n<li>[latex]{$8.49}\\div 12[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q116418\">Show Solution<\/span><\/p>\n<div id=\"q116418\" class=\"hidden-answer\" style=\"display: none\">$0.71<\/div>\n<\/div>\n<\/li>\n<li>[latex]{$16.99}\\div 9[\/latex]<\/li>\n<li>[latex]{$117.25}\\div 48[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q133344\">Show Solution<\/span><\/p>\n<div id=\"q133344\" class=\"hidden-answer\" style=\"display: none\">$2.44<\/div>\n<\/div>\n<\/li>\n<li>[latex]{$109.24}\\div 36[\/latex]<\/li>\n<li>[latex]0.6\\div 0.2[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q906286\">Show Solution<\/span><\/p>\n<div id=\"q906286\" class=\"hidden-answer\" style=\"display: none\">3<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.8\\div 0.4[\/latex]<\/li>\n<li>[latex]1.44\\div \\left(-0.3\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q155063\">Show Solution<\/span><\/p>\n<div id=\"q155063\" class=\"hidden-answer\" style=\"display: none\">\u22124.8<\/div>\n<\/div>\n<\/li>\n<li>[latex]1.25\\div \\left(-0.5\\right)[\/latex]<\/li>\n<li>[latex]-1.75\\div \\left(-0.05\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q486993\">Show Solution<\/span><\/p>\n<div id=\"q486993\" class=\"hidden-answer\" style=\"display: none\">35<\/div>\n<\/div>\n<\/li>\n<li>[latex]-1.15\\div \\left(-0.05\\right)[\/latex]<\/li>\n<li>[latex]5.2\\div 2.5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q938437\">Show Solution<\/span><\/p>\n<div id=\"q938437\" class=\"hidden-answer\" style=\"display: none\">2.08<\/div>\n<\/div>\n<\/li>\n<li>[latex]6.5\\div 3.25[\/latex]<\/li>\n<li>[latex]12\\div 0.08[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q25405\">Show Solution<\/span><\/p>\n<div id=\"q25405\" class=\"hidden-answer\" style=\"display: none\">150<\/div>\n<\/div>\n<\/li>\n<li>[latex]5\\div 0.04[\/latex]<\/li>\n<li>[latex]11\\div 0.55[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q794636\">Show Solution<\/span><\/p>\n<div id=\"q794636\" class=\"hidden-answer\" style=\"display: none\">20<\/div>\n<\/div>\n<\/li>\n<li>[latex]14\\div 0.35[\/latex]<\/li>\n<\/ol>\n<h3>Mixed Practice<\/h3>\n<p>In the following exercises, simplify.<\/p>\n<ol>\n<li>[latex]6\\left(12.4 - 9.2\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q556132\">Show Solution<\/span><\/p>\n<div id=\"q556132\" class=\"hidden-answer\" style=\"display: none\">19.2<\/div>\n<\/div>\n<\/li>\n<li>[latex]3\\left(15.7 - 8.6\\right)[\/latex]<\/li>\n<li>[latex]24\\left(0.5\\right)+{\\left(0.3\\right)}^{2}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q179497\">Show Solution<\/span><\/p>\n<div id=\"q179497\" class=\"hidden-answer\" style=\"display: none\">12.09<\/div>\n<\/div>\n<\/li>\n<li>[latex]35\\left(0.2\\right)+{\\left(0.9\\right)}^{2}[\/latex]<\/li>\n<li>[latex]1.15\\left(26.83+1.61\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q826866\">Show Solution<\/span><\/p>\n<div id=\"q826866\" class=\"hidden-answer\" style=\"display: none\">32.706<\/div>\n<\/div>\n<\/li>\n<li>[latex]1.18\\left(46.22+3.71\\right)[\/latex]<\/li>\n<li>[latex]{$45}+0.08\\left({$45}\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q347877\">Show Solution<\/span><\/p>\n<div id=\"q347877\" class=\"hidden-answer\" style=\"display: none\">$48.60<\/div>\n<\/div>\n<\/li>\n<li>[latex]{$63}+0.18\\left({$63}\\right)[\/latex]<\/li>\n<li>[latex]18\\div \\left(0.75+0.15\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q64023\">Show Solution<\/span><\/p>\n<div id=\"q64023\" class=\"hidden-answer\" style=\"display: none\">20<\/div>\n<\/div>\n<\/li>\n<li>[latex]27\\div \\left(0.55+0.35\\right)[\/latex]<\/li>\n<li>[latex]\\left(1.43+0.27\\right)\\div \\left(0.9 - 0.05\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q921069\">Show Solution<\/span><\/p>\n<div id=\"q921069\" class=\"hidden-answer\" style=\"display: none\">2<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(1.5 - 0.06\\right)\\div \\left(0.12+0.24\\right)[\/latex]<\/li>\n<li>[latex]\\left[{$75.42}+0.18\\left({$75.42}\\right)\\right]\\div 5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q10677\">Show Solution<\/span><\/p>\n<div id=\"q10677\" class=\"hidden-answer\" style=\"display: none\">$17.80<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left[{$56.31}+0.22\\left({$56.31}\\right)\\right]\\div 4[\/latex]<\/li>\n<\/ol>\n<h3>Use Decimals in Money Applications<\/h3>\n<p>In the following exercises, use the strategy for applications to solve.<\/p>\n<h4>Spending money<\/h4>\n<p>Brenda got [latex]{$40}[\/latex] from the ATM. She spent [latex]{$15.11}[\/latex] on a pair of earrings. How much money did she have left?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q387381\">Show Solution<\/span><\/p>\n<div id=\"q387381\" class=\"hidden-answer\" style=\"display: none\">$24.89<\/div>\n<\/div>\n<h4>Spending money<\/h4>\n<p>Marissa found [latex]{$20}[\/latex] in her pocket. She spent [latex]{$4.82}[\/latex] on a smoothie. How much of the [latex]{$20}[\/latex] did she have left?<\/p>\n<h4>Shopping<\/h4>\n<p>Adam bought a t-shirt for [latex]{$18.49}[\/latex] and a book for [latex]{$8.92}[\/latex] The sales tax was [latex]{$1.65}[\/latex]. How much did Adam spend?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q59282\">Show Solution<\/span><\/p>\n<div id=\"q59282\" class=\"hidden-answer\" style=\"display: none\">$29.06<\/div>\n<\/div>\n<h4>Restaurant<\/h4>\n<p>Roberto\u2019s restaurant bill was [latex]{$20.45}[\/latex] for the entr\u00e9e and [latex]{$3.15}[\/latex] for the drink. He left a [latex]{$4.40}[\/latex] tip. How much did Roberto spend?<\/p>\n<h4>Coupon<\/h4>\n<p>Emily bought a box of cereal that cost [latex]{$4.29}[\/latex]. She had a coupon for [latex]{$0.55}[\/latex] off, and the store doubled the coupon. How much did she pay for the box of cereal?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q148600\">Show Solution<\/span><\/p>\n<div id=\"q148600\" class=\"hidden-answer\" style=\"display: none\">$3.19<\/div>\n<\/div>\n<h4>Coupon<\/h4>\n<p>Diana bought a can of coffee that cost [latex]{$7.99}[\/latex]. She had a coupon for [latex]{$0.75}[\/latex] off, and the store doubled the coupon. How much did she pay for the can of coffee?<\/p>\n<h4>Diet<\/h4>\n<p>Leo took part in a diet program. He weighed [latex]190[\/latex] pounds at the start of the program. During the first week, he lost [latex]4.3[\/latex] pounds. During the second week, he had lost [latex]2.8[\/latex] pounds. The third week, he gained [latex]0.7[\/latex] pounds. The fourth week, he lost [latex]1.9[\/latex] pounds. What did Leo weigh at the end of the fourth week?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q502906\">Show Solution<\/span><\/p>\n<div id=\"q502906\" class=\"hidden-answer\" style=\"display: none\">181.7 pounds<\/div>\n<\/div>\n<h4>Snowpack<\/h4>\n<p>On April [latex]1[\/latex], the snowpack at the ski resort was [latex]4[\/latex] meters deep, but the next few days were very warm. By April [latex]5[\/latex], the snow depth was [latex]1.6[\/latex] meters less. On April [latex]8[\/latex], it snowed and added [latex]2.1[\/latex] meters of snow. What was the total depth of the snow?<\/p>\n<h4>Coffee<\/h4>\n<p>Noriko bought [latex]4[\/latex] coffees for herself and her co-workers. Each coffee was [latex]{$3.75}[\/latex]. How much did she pay for all the coffees?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q270125\">Show Solution<\/span><\/p>\n<div id=\"q270125\" class=\"hidden-answer\" style=\"display: none\">$15.00<\/div>\n<\/div>\n<h4>Subway Fare<\/h4>\n<p>Arianna spends [latex]{$4.50}[\/latex] per day on subway fare. Last week she rode the subway [latex]6[\/latex] days. How much did she spend for the subway fares?<\/p>\n<h4>Income<\/h4>\n<p>Mayra earns [latex]{$9.25}[\/latex] per hour. Last week she worked [latex]32[\/latex] hours. How much did she earn?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q868121\">Show Solution<\/span><\/p>\n<div id=\"q868121\" class=\"hidden-answer\" style=\"display: none\">$296.00<\/div>\n<\/div>\n<h4>Income<\/h4>\n<p>Peter earns [latex]{$8.75}[\/latex] per hour. Last week he worked [latex]19[\/latex] hours. How much did he earn?<\/p>\n<h4>Hourly Wage<\/h4>\n<p>Alan got his first paycheck from his new job. He worked [latex]30[\/latex] hours and earned [latex]{$382.50}[\/latex]. How much does he earn per hour?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q152289\">Show Solution<\/span><\/p>\n<div id=\"q152289\" class=\"hidden-answer\" style=\"display: none\">$12.75<\/div>\n<\/div>\n<h4>Hourly Wage<\/h4>\n<p>Maria got her first paycheck from her new job. She worked [latex]25[\/latex] hours and earned [latex]{$362.50}[\/latex]. How much does she earn per hour?<\/p>\n<h4>Restaurant<\/h4>\n<p>Jeannette and her friends love to order mud pie at their favorite restaurant. They always share just one piece of pie among themselves. With tax and tip, the total cost is [latex]\\$6.00[\/latex]. How much does each girl pay if the total number sharing the mud pie is<\/p>\n<ol>\n<li>[latex]2?[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q267851\">Show Solution<\/span><\/p>\n<div id=\"q267851\" class=\"hidden-answer\" style=\"display: none\">$3<\/div>\n<\/div>\n<\/li>\n<li>[latex]3?[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q704408\">Show Solution<\/span><\/p>\n<div id=\"q704408\" class=\"hidden-answer\" style=\"display: none\">$2<\/div>\n<\/div>\n<\/li>\n<li>[latex]4?[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q398295\">Show Solution<\/span><\/p>\n<div id=\"q398295\" class=\"hidden-answer\" style=\"display: none\"> $1.50<\/div>\n<\/div>\n<\/li>\n<li>[latex]5?[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q798489\">Show Solution<\/span><\/p>\n<div id=\"q798489\" class=\"hidden-answer\" style=\"display: none\">$1.20<\/div>\n<\/div>\n<\/li>\n<li>[latex]6?[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q462061\">Show Solution<\/span><\/p>\n<div id=\"q462061\" class=\"hidden-answer\" style=\"display: none\"> $1<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h4>Pizza<\/h4>\n<p>Alex and his friends go out for pizza and video games once a week. They share the cost of a [latex]\\$15.60[\/latex] pizza equally. How much does each person pay if the total number sharing the pizza is<\/p>\n<ol>\n<li>\u00a0[latex]2?[\/latex]<\/li>\n<li>[latex]3?[\/latex]<\/li>\n<li>[latex]4?[\/latex]<\/li>\n<li>[latex]5?[\/latex]<\/li>\n<li>\u00a0[latex]6?[\/latex]<\/li>\n<\/ol>\n<h3>Fast Food<\/h3>\n<p>At their favorite fast food restaurant, the Carlson family orders [latex]4[\/latex] burgers that cost [latex]{$3.29}[\/latex] each and [latex]2[\/latex] orders of fries at [latex]{$2.74}[\/latex] each. What is the total cost of the order?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q581808\">Show Solution<\/span><\/p>\n<div id=\"q581808\" class=\"hidden-answer\" style=\"display: none\">$18.64<\/div>\n<\/div>\n<h4>Home Goods<\/h4>\n<p>Chelsea needs towels to take with her to college. She buys [latex]2[\/latex] bath towels that cost [latex]{$9.99}[\/latex] each and [latex]6[\/latex] washcloths that cost [latex]{$2.99}[\/latex] each. What is the total cost for the bath towels and washcloths?<\/p>\n<h4>Zoo<\/h4>\n<p>The Lewis and Chousmith families are planning to go to the zoo together. Adult tickets cost [latex]{$29.95}[\/latex] and children\u2019s tickets cost [latex]{$19.95}[\/latex]. What will the total cost be for [latex]4[\/latex] adults and [latex]7[\/latex] children?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q285738\">Show Solution<\/span><\/p>\n<div id=\"q285738\" class=\"hidden-answer\" style=\"display: none\">$259.45<\/div>\n<\/div>\n<h4>Ice Skating<\/h4>\n<p>Jasmine wants to have her birthday party at the local ice skating rink. It will cost [latex]{$8.25}[\/latex] per child and [latex]{$12.95}[\/latex] per adult. What will the total cost be for [latex]12[\/latex] children and [latex]3[\/latex] adults?<\/p>\n<div class=\"textbox exercises\">\n<h3>Everyday Math<\/h3>\n<h4><strong>Paycheck<\/strong><\/h4>\n<p>Annie has two jobs. She gets paid [latex]{$14.04}[\/latex] per hour for tutoring at City College and [latex]{$8.75}[\/latex] per hour at a coffee shop. Last week she tutored for [latex]8[\/latex] hours and worked at the coffee shop for [latex]15[\/latex] hours.<\/p>\n<ol>\n<li>How much did she earn?\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q315211\">Show Solution<\/span><\/p>\n<div id=\"q315211\" class=\"hidden-answer\" style=\"display: none\">$243.57<\/div>\n<\/div>\n<\/li>\n<li>If she had worked all [latex]23[\/latex] hours as a tutor instead of working both jobs, how much more would she have earned?\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q17207\">Show Solution<\/span><\/p>\n<div id=\"q17207\" class=\"hidden-answer\" style=\"display: none\">$79.35<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<p><strong>Paycheck<\/strong> Jake has two jobs. He gets paid [latex]\\$7.95[\/latex] per hour at the college cafeteria and [latex]\\$20.25[\/latex] at the art gallery. Last week he worked [latex]12[\/latex] hours at the cafeteria and [latex]5[\/latex] hours at the art gallery.<\/p>\n<ol>\n<li>\u00a0How much did he earn?<\/li>\n<li>If he had worked all [latex]17[\/latex] hours at the art gallery instead of working both jobs, how much more would he have earned?<\/li>\n<\/ol>\n<\/div>\n<div class=\"textbox learning-objectives\">\n<h3>Writing Exercises<\/h3>\n<p>In the 2010 winter Olympics, two skiers took the silver and bronze medals in the Men&#8217;s Super-G ski event. The silver medalist&#8217;s time was [latex]1[\/latex] minute [latex]30.62[\/latex] seconds and bronze medalist&#8217;s time was [latex]1[\/latex] minute [latex]30.65[\/latex] seconds. Whose time was faster? Find the difference in their times and then write the name of that decimal.<\/p>\n<p><textarea aria-label=\"Your Answer\" rows=\"4\"><\/textarea><\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q727404\">Show Solution<\/span><\/p>\n<div id=\"q727404\" class=\"hidden-answer\" style=\"display: none\">The difference: 0.03 seconds. Three hundredths of a second.<\/div>\n<\/div>\n<p>Find the quotient of [latex]0.12\\div 0.04[\/latex] and explain in words all the steps taken.<\/p>\n<p><textarea aria-label=\"Your Answer\" rows=\"4\"><\/textarea><\/p>\n<\/div>\n<h2>Exploring The Relationship Between Decimals and Fractions<\/h2>\n<h3>Convert Fractions to Decimals<\/h3>\n<p>In the following exercises, convert each fraction to a decimal.<\/p>\n<ol>\n<li>[latex]\\Large\\frac{2}{5}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q784121\">Show Solution<\/span><\/p>\n<div id=\"q784121\" class=\"hidden-answer\" style=\"display: none\">0.4<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{4}{5}[\/latex]<\/li>\n<li>[latex]-\\Large\\frac{3}{8}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q286211\">Show Solution<\/span><\/p>\n<div id=\"q286211\" class=\"hidden-answer\" style=\"display: none\">\u22120.375<\/div>\n<\/div>\n<\/li>\n<li>[latex]-\\Large\\frac{5}{8}[\/latex]<\/li>\n<li>[latex]\\Large\\frac{17}{20}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q586095\">Show Solution<\/span><\/p>\n<div id=\"q586095\" class=\"hidden-answer\" style=\"display: none\">0.85<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{13}{20}[\/latex]<\/li>\n<li>[latex]\\Large\\frac{11}{4}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q906067\">Show Solution<\/span><\/p>\n<div id=\"q906067\" class=\"hidden-answer\" style=\"display: none\">2.75<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{17}{4}[\/latex]<\/li>\n<li>[latex]-\\Large\\frac{310}{25}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q888068\">Show Solution<\/span><\/p>\n<div id=\"q888068\" class=\"hidden-answer\" style=\"display: none\">\u221212.4<\/div>\n<\/div>\n<\/li>\n<li>[latex]-\\Large\\frac{284}{25}[\/latex]<\/li>\n<li>[latex]\\Large\\frac{5}{9}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q362837\">Show Solution<\/span><\/p>\n<div id=\"q362837\" class=\"hidden-answer\" style=\"display: none\">[latex]0.\\stackrel{-}{5}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{2}{9}[\/latex]<\/li>\n<li>[latex]\\Large\\frac{15}{11}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q355980\">Show Solution<\/span><\/p>\n<div id=\"q355980\" class=\"hidden-answer\" style=\"display: none\">[latex]1.\\stackrel{\\text{-}}{36}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{18}{11}[\/latex]<\/li>\n<li>[latex]\\Large\\frac{15}{111}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q871048\">Show Solution<\/span><\/p>\n<div id=\"q871048\" class=\"hidden-answer\" style=\"display: none\">[latex]0.\\stackrel{\\text{-}}{135}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{25}{111}[\/latex]<\/li>\n<\/ol>\n<h3>Convert Fractions to Decimals and Simplify<\/h3>\n<p>In the following exercises, simplify the expression.<\/p>\n<ol>\n<li>[latex]\\Large\\frac{1}{2}\\normalsize+6.5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q390720\">Show Solution<\/span><\/p>\n<div id=\"q390720\" class=\"hidden-answer\" style=\"display: none\">7<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{1}{4}\\normalsize+10.75[\/latex]<\/li>\n<li>[latex]2.4+\\Large\\frac{5}{8}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q464827\">Show Solution<\/span><\/p>\n<div id=\"q464827\" class=\"hidden-answer\" style=\"display: none\">3.025<\/div>\n<\/div>\n<\/li>\n<li>[latex]3.9+\\Large\\frac{9}{20}[\/latex]<\/li>\n<li>[latex]9.73+\\Large\\frac{17}{20}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q529819\">Show Solution<\/span><\/p>\n<div id=\"q529819\" class=\"hidden-answer\" style=\"display: none\">10.58<\/div>\n<\/div>\n<\/li>\n<li>[latex]6.29+\\Large\\frac{21}{40}[\/latex]<\/li>\n<\/ol>\n<h3>Order Decimals and Fractions<\/h3>\n<p>In the following exercises, order each pair of numbers, using [latex]&lt[\/latex]; or [latex]\\text{>.}[\/latex]<\/p>\n<ol>\n<li>[latex]\\Large\\frac{1}{8}\\normalsize\\text{___}0.8[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q86876\">Show Solution<\/span><\/p>\n<div id=\"q86876\" class=\"hidden-answer\" style=\"display: none\">&lt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{1}{4}\\normalsize\\text{___}0.4[\/latex]<\/li>\n<li>[latex]\\Large\\frac{2}{5}\\normalsize\\text{___}0.25[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q997663\">Show Solution<\/span><\/p>\n<div id=\"q997663\" class=\"hidden-answer\" style=\"display: none\">&gt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{3}{5}\\normalsize\\text{___}0.35[\/latex]<\/li>\n<li>[latex]\\text {0.725___}\\Large\\frac{3}{4}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q763024\">Show Solution<\/span><\/p>\n<div id=\"q763024\" class=\"hidden-answer\" style=\"display: none\">&lt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\text {0.92___}\\Large\\frac{7}{8}[\/latex]<\/li>\n<li>[latex]\\text {0.66___}\\Large\\frac{2}{3}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q638836\">Show Solution<\/span><\/p>\n<div id=\"q638836\" class=\"hidden-answer\" style=\"display: none\">&lt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\text {0.83___}\\Large\\frac{5}{6}[\/latex]<\/li>\n<li>[latex]\\text {-0.75___}-\\Large\\frac{4}{5}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q550124\">Show Solution<\/span><\/p>\n<div id=\"q550124\" class=\"hidden-answer\" style=\"display: none\">&gt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\text {-0.44___}-\\Large\\frac{9}{20}[\/latex]<\/li>\n<li>[latex]-\\Large\\frac{3}{4}\\normalsize\\text{___} - 0.925[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q102965\">Show Solution<\/span><\/p>\n<div id=\"q102965\" class=\"hidden-answer\" style=\"display: none\">&gt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]-\\Large\\frac{2}{3}\\normalsize\\text{___} - 0.632[\/latex]<\/li>\n<\/ol>\n<p>In the following exercises, write each set of numbers in order from least to greatest.<\/p>\n<ol>\n<li>[latex]\\Large\\frac{3}{5}\\normalsize ,\\Large\\frac{9}{16}\\normalsize,0.55[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q270722\">Show Solution<\/span><\/p>\n<div id=\"q270722\" class=\"hidden-answer\" style=\"display: none\">[latex]0.55,\\Large\\frac{9}{16}\\normalsize ,\\Large\\frac{3}{5}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{3}{8}\\normalsize ,\\Large\\frac{7}{20}\\normalsize ,0.36[\/latex]<\/li>\n<li>[latex]0.702,\\Large\\frac{13}{20}\\normalsize ,\\Large\\frac{5}{8}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q574289\">Show Solution<\/span><\/p>\n<div id=\"q574289\" class=\"hidden-answer\" style=\"display: none\">[latex]\\Large\\frac{5}{8}\\normalsize ,\\Large\\frac{13}{20}\\normalsize ,0.702[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.15,\\Large\\frac{3}{16}\\normalsize ,\\Large\\frac{1}{5}[\/latex]<\/li>\n<li>[latex]-0.3,-\\Large\\frac{1}{3}\\normalsize ,-\\Large\\frac{7}{20}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q547172\">Show Solution<\/span><\/p>\n<div id=\"q547172\" class=\"hidden-answer\" style=\"display: none\">[latex]-\\Large\\frac{7}{20}\\normalsize ,-\\Large\\frac{1}{3}\\normalsize,-0.3[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]-0.2,-\\Large\\frac{3}{20}\\normalsize ,-\\Large\\frac{1}{6}[\/latex]<\/li>\n<li>[latex]-\\Large\\frac{3}{4}\\normalsize ,-\\Large\\frac{7}{9}\\normalsize,-0.7[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q110471\">Show Solution<\/span><\/p>\n<div id=\"q110471\" class=\"hidden-answer\" style=\"display: none\">[latex]-\\Large\\frac{7}{9}\\normalsize ,-\\Large\\frac{3}{4}\\normalsize ,-0.7[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]-\\Large\\frac{8}{9}\\normalsize ,-\\Large\\frac{4}{5}\\normalsize,-0.9[\/latex]<\/li>\n<\/ol>\n<h3>Simplify Expressions Using the Order of Operations<\/h3>\n<p>In the following exercises, simplify.<\/p>\n<ol>\n<li>[latex]10\\left(25.1 - 43.8\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q12368\">Show Solution<\/span><\/p>\n<div id=\"q12368\" class=\"hidden-answer\" style=\"display: none\">\u2212187<\/div>\n<\/div>\n<\/li>\n<li>[latex]30\\left(18.1 - 32.5\\right)[\/latex]<\/li>\n<li>[latex]62\\left(9.75 - 4.99\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q297668\">Show Solution<\/span><\/p>\n<div id=\"q297668\" class=\"hidden-answer\" style=\"display: none\">295.12<\/div>\n<\/div>\n<\/li>\n<li>[latex]42\\left(8.45 - 5.97\\right)[\/latex]<\/li>\n<li>[latex]\\Large\\frac{3}{4}\\normalsize\\left(12.4 - 4.2\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q611677\">Show Solution<\/span><\/p>\n<div id=\"q611677\" class=\"hidden-answer\" style=\"display: none\">6.15<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{4}{5}\\normalsize\\left(8.6+3.9\\right)[\/latex]<\/li>\n<li>[latex]\\Large\\frac{5}{12}\\normalsize\\left(30.58+17.9\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q168172\">Show Solution<\/span><\/p>\n<div id=\"q168172\" class=\"hidden-answer\" style=\"display: none\">20.2<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{9}{16}\\normalsize\\left(21.96 - 9.8\\right)[\/latex]<\/li>\n<li>[latex]10\\div 0.1+\\left(1.8\\right)4-{\\left(0.3\\right)}^{2}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q71082\">Show Solution<\/span><\/p>\n<div id=\"q71082\" class=\"hidden-answer\" style=\"display: none\">107.11<\/div>\n<\/div>\n<\/li>\n<li>[latex]5\\div 0.5+\\left(3.9\\right)6-{\\left(0.7\\right)}^{2}[\/latex]<\/li>\n<li>[latex]\\left(37.1+52.7\\right)\\div \\left(12.5\\div 62.5\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q131837\">Show Solution<\/span><\/p>\n<div id=\"q131837\" class=\"hidden-answer\" style=\"display: none\">449<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(11.4+16.2\\right)\\div \\left(18\\div 60\\right)[\/latex]<\/li>\n<li>[latex]{\\Large\\left(\\frac{1}{5}\\right)}^{2}\\normalsize+\\left(1.4\\right)\\left(6.5\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q230565\">Show Solution<\/span><\/p>\n<div id=\"q230565\" class=\"hidden-answer\" style=\"display: none\">9.14<\/div>\n<\/div>\n<\/li>\n<li>[latex]{\\Large\\left(\\frac{1}{2}\\right)}^{2}\\normalsize+\\left(2.1\\right)\\left(8.3\\right)[\/latex]<\/li>\n<li>[latex]-\\Large\\frac{9}{10}\\normalsize\\cdot\\Large\\frac{8}{15}\\normalsize+0.25[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q749424\">Show Solution<\/span><\/p>\n<div id=\"q749424\" class=\"hidden-answer\" style=\"display: none\">\u22120.23<\/div>\n<\/div>\n<\/li>\n<li>[latex]-\\Large\\frac{3}{8}\\normalsize\\cdot\\Large\\frac{14}{15}\\normalsize+0.72[\/latex]<\/li>\n<\/ol>\n<h3>Mixed Practice<\/h3>\n<p>In the following exercises, simplify. Give the answer as a decimal.<\/p>\n<ol>\n<li>[latex]3\\Large\\frac{1}{4}\\normalsize -6.5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q326225\">Show Solution<\/span><\/p>\n<div id=\"q326225\" class=\"hidden-answer\" style=\"display: none\">\u22123.25<\/div>\n<\/div>\n<\/li>\n<li>[latex]5\\Large\\frac{2}{5}\\normalsize -8.75[\/latex]<\/li>\n<li>[latex]10.86\\div\\Large\\frac{2}{3}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q585098\">Show Solution<\/span><\/p>\n<div id=\"q585098\" class=\"hidden-answer\" style=\"display: none\">16.29<\/div>\n<\/div>\n<\/li>\n<li>[latex]5.79\\div\\Large\\frac{3}{4}[\/latex]<\/li>\n<li>[latex]\\Large\\frac{7}{8}\\normalsize\\left(103.48\\right)+1\\Large\\frac{1}{2}\\normalsize\\left(361\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q606793\">Show Solution<\/span><\/p>\n<div id=\"q606793\" class=\"hidden-answer\" style=\"display: none\">632.045<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{5}{16}\\normalsize\\left(117.6\\right)+2\\Large\\frac{1}{3}\\normalsize\\left(699\\right)[\/latex]<\/li>\n<li>[latex]3.6\\left(\\Large\\frac{9}{8}\\normalsize-2.72\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q923812\">Show Solution<\/span><\/p>\n<div id=\"q923812\" class=\"hidden-answer\" style=\"display: none\">\u22125.742<\/div>\n<\/div>\n<\/li>\n<li>[latex]5.1\\left(\\Large\\frac{12}{5}\\normalsize-3.91\\right)[\/latex]<\/li>\n<\/ol>\n<h3>Find the Circumference and Area of Circles<\/h3>\n<p>In the following exercises, approximate the a) circumference and b) area of each circle. If measurements are given in fractions, leave answers in fraction form.<\/p>\n<ol>\n<li>[latex]\\text{radius}=\\text{5 in.}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q364933\">Show Solution<\/span><\/p>\n<div id=\"q364933\" class=\"hidden-answer\" style=\"display: none\">\u24d0 31.4 in \u24d1 78.5 sq.in.<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\text{radius}=\\text{20 in.}[\/latex]<\/li>\n<li>[latex]\\text{radius}=\\text{9 ft.}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q746318\">Show Solution<\/span><\/p>\n<div id=\"q746318\" class=\"hidden-answer\" style=\"display: none\">\u24d0 56.52.ft. \u24d1 254.34 sq.ft.<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\text{radius}=\\text{4 ft.}[\/latex]<\/li>\n<li>[latex]\\text{radius}=\\text{46 cm}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q834581\">Show Solution<\/span><\/p>\n<div id=\"q834581\" class=\"hidden-answer\" style=\"display: none\">\u24d0 288.88 cm \u24d1 6644.24 sq.cm<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\text{radius}=\\text{38 cm}[\/latex]<\/li>\n<li>[latex]\\text{radius}=\\text{18.6 m}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q199827\">Show Solution<\/span><\/p>\n<div id=\"q199827\" class=\"hidden-answer\" style=\"display: none\">\u24d0 116.808 m \u24d1 1086.3144 sq.m<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\text{radius}=\\text{57.3 m}[\/latex]<\/li>\n<li>[latex]\\text{radius}=\\Large\\frac{7}{10}\\normalsize\\text{mile}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q386033\">Show Solution<\/span><\/p>\n<div id=\"q386033\" class=\"hidden-answer\" style=\"display: none\">\u24d0 [latex]\\Large\\frac{22}{5}\\normalsize\\text{mile}[\/latex] \u24d1 [latex]\\Large\\frac{77}{50}\\normalsize\\text{sq.mile}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\text{radius}=\\Large\\frac{7}{11}\\normalsize\\text{mile}[\/latex]<\/li>\n<li>[latex]\\text{radius}=\\Large\\frac{3}{8}\\normalsize\\text{yard}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q878613\">Show Solution<\/span><\/p>\n<div id=\"q878613\" class=\"hidden-answer\" style=\"display: none\">\u24d0 [latex]\\Large\\frac{33}{14}\\normalsize\\text{yard}[\/latex] \u24d1 [latex]\\Large\\frac{99}{224}\\normalsize\\text{sq.yard}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\text{radius}=\\Large\\frac{5}{12}\\normalsize\\text{yard}[\/latex]<\/li>\n<li>[latex]\\text{diameter}=\\Large\\frac{5}{6}\\normalsize\\text{m}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q922931\">Show Solution<\/span><\/p>\n<div id=\"q922931\" class=\"hidden-answer\" style=\"display: none\">\u24d0 [latex]\\Large\\frac{55}{21}\\normalsize\\text{m}[\/latex] \u24d1 [latex]\\Large\\frac{275}{504}\\normalsize\\text{sq.m}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\text{diameter}=\\Large\\frac{3}{4}\\normalsize\\text{m}[\/latex]<\/li>\n<\/ol>\n<div class=\"textbox exercises\">\n<h3>Everyday Math<\/h3>\n<h4>Shopping Trip<\/h4>\n<p>Kelly wants to buy a pair of boots that are on sale for [latex]\\Large\\frac{2}{3}[\/latex] of the original price. The original price of the boots is [latex]{$84.99}[\/latex]. What is the sale price of the shoes?<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q741329\">Show Solution<\/span><\/p>\n<div id=\"q741329\" class=\"hidden-answer\" style=\"display: none\">$56.66<\/div>\n<\/div>\n<h4>Creating a Mosaic<\/h4>\n<p>An architect is planning to put a circular mosaic in the entry of a new building. The mosaic will be in the shape of a circle with radius of [latex]6[\/latex] feet. How many square feet of tile will be needed for the mosaic? (Round your answer up to the next whole number.)<\/p>\n<\/div>\n<div class=\"textbox learning-objectives\">\n<h3>Writing Exercises<\/h3>\n<p>Is it easier for you to convert a decimal to a fraction or a fraction to a decimal? Explain.<\/p>\n<p><textarea aria-label=\"Your Answer\" rows=\"4\"><\/textarea><\/p>\n<p>Describe a situation in your life in which you might need to find the area or circumference of a circle.<\/p>\n<p><textarea aria-label=\"Your Answer\" rows=\"4\"><\/textarea><\/p>\n<\/div>\n<h2><\/h2>\n<h2>Solving Equations with Decimals<\/h2>\n<h3 class=\"p2\"><span class=\"s1\"><b>Determine Whether a Decimal is a Solution of an Equation<\/b><\/span><\/h3>\n<p>In the following exercises, determine whether each number is a solution of the given equation.<\/p>\n<p><span class=\"s1\">[latex]x - 0.8=2.3[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s2\">\u24d0<\/span><span class=\"s1\"> [latex]x=2[\/latex] <\/span><span class=\"s2\">\u24d1<\/span><span class=\"s1\"> [latex]x=-1.5[\/latex] <\/span><span class=\"s2\">\u24d2<\/span><span class=\"s1\"> [latex]x=3.1[\/latex]<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q577332\">Show Solution<\/span><\/p>\n<div id=\"q577332\" class=\"hidden-answer\" style=\"display: none\">\u24d0 no \u24d1 no \u24d2 yes<\/div>\n<\/div>\n<p><\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]y+0.6=-3.4[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s2\">\u24d0<\/span><span class=\"s1\"> [latex]y=-4[\/latex] <\/span><span class=\"s2\">\u24d1<\/span><span class=\"s1\"> [latex]y=-2.8[\/latex] <\/span><span class=\"s2\">\u24d2<\/span><span class=\"s1\"> [latex]y=2.6[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{h}{1.5}\\normalsize =-4.3[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s2\">\u24d0<\/span><span class=\"s1\"> [latex]h=6.45[\/latex] <\/span><span class=\"s2\">\u24d1<\/span><span class=\"s1\"> [latex]h=-6.45[\/latex] <\/span><span class=\"s2\">\u24d2<\/span><span class=\"s1\"> [latex]h=-2.1[\/latex]<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q878950\">Show Solution<\/span><\/p>\n<div id=\"q878950\" class=\"hidden-answer\" style=\"display: none\">\u24d0 no \u24d1 yes \u24d2 no<\/div>\n<\/div>\n<p><\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]0.75k=-3.6[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s2\">\u24d0<\/span><span class=\"s1\"> [latex]k=-0.48[\/latex] <\/span><span class=\"s2\">\u24d1<\/span><span class=\"s1\"> [latex]k=-4.8[\/latex] <\/span><span class=\"s2\">\u24d2<\/span><span class=\"s1\"> [latex]k=-2.7[\/latex]<\/span><\/p>\n<h3 class=\"p3\"><span class=\"s1\"><b>Solve Equations with Decimals<\/b><br \/>\n<\/span><\/h3>\n<p class=\"p3\"><span class=\"s1\">In the following exercises, solve the equation.<\/span><\/p>\n<ol>\n<li class=\"p3\"><span class=\"s1\">[latex]y+2.9=5.7[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q284633\">Show Solution<\/span><\/p>\n<div id=\"q284633\" class=\"hidden-answer\" style=\"display: none\">y = 2.8<\/div>\n<\/div>\n<p><\/span><\/li>\n<li class=\"p3\">[latex]m+4.6=6.5[\/latex]<\/li>\n<li class=\"p3\">[latex]f+3.45=2.6[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q622935\">Show Solution<\/span><\/p>\n<div id=\"q622935\" class=\"hidden-answer\" style=\"display: none\">f = \u22120.85<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]h+4.37=3.5[\/latex]<\/li>\n<li class=\"p3\">[latex]a+6.2=-1.7[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q752096\">Show Solution<\/span><\/p>\n<div id=\"q752096\" class=\"hidden-answer\" style=\"display: none\">a = \u22127.9<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]b+5.8=-2.3[\/latex]<\/li>\n<li class=\"p3\">[latex]c+1.15=-3.5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q576735\">Show Solution<\/span><\/p>\n<div id=\"q576735\" class=\"hidden-answer\" style=\"display: none\">c = \u22124.65<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]d+2.35=-4.8[\/latex]<\/li>\n<li class=\"p3\">[latex]n - 2.6=1.8[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q107207\">Show Solution<\/span><\/p>\n<div id=\"q107207\" class=\"hidden-answer\" style=\"display: none\">n = 4.4<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]p - 3.6=1.7[\/latex]<\/li>\n<li class=\"p3\">[latex]x - 0.4=-3.9[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q965425\">Show Solution<\/span><\/p>\n<div id=\"q965425\" class=\"hidden-answer\" style=\"display: none\">x = \u22123.5<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]y - 0.6=-4.5[\/latex]<\/li>\n<li class=\"p3\">[latex]j - 1.82=-6.5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q499365\">Show Solution<\/span><\/p>\n<div id=\"q499365\" class=\"hidden-answer\" style=\"display: none\">j = \u22124.68<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]k - 3.19=-4.6[\/latex]<\/li>\n<li class=\"p3\">[latex]m - 0.25=-1.67[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q87367\">Show Solution<\/span><\/p>\n<div id=\"q87367\" class=\"hidden-answer\" style=\"display: none\">m = \u22121.42<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]q - 0.47=-1.53[\/latex]<\/li>\n<li class=\"p3\">[latex]0.5x=3.5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q244900\">Show Solution<\/span><\/p>\n<div id=\"q244900\" class=\"hidden-answer\" style=\"display: none\">x = 7<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]0.4p=9.2[\/latex]<\/li>\n<li class=\"p3\">[latex]-1.7c=8.5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q943204\">Show Solution<\/span><\/p>\n<div id=\"q943204\" class=\"hidden-answer\" style=\"display: none\">c = \u22125<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]-2.9x=5.8[\/latex]<\/li>\n<li class=\"p3\">[latex]-1.4p=-4.2[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q194199\">Show Solution<\/span><\/p>\n<div id=\"q194199\" class=\"hidden-answer\" style=\"display: none\">p = 3<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]-2.8m=-8.4[\/latex]<\/li>\n<li class=\"p3\">[latex]-120=1.5q[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q180796\">Show Solution<\/span><\/p>\n<div id=\"q180796\" class=\"hidden-answer\" style=\"display: none\">q = \u221280<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]-75=1.5y[\/latex]<\/li>\n<li class=\"p3\">[latex]0.24x=4.8[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q951311\">Show Solution<\/span><\/p>\n<div id=\"q951311\" class=\"hidden-answer\" style=\"display: none\">x = 20<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]0.18n=5.4[\/latex]<\/li>\n<li class=\"p3\">[latex]-3.4z=-9.18[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q846024\">Show Solution<\/span><\/p>\n<div id=\"q846024\" class=\"hidden-answer\" style=\"display: none\">z = 2.7<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]-2.7u=-9.72[\/latex]<\/li>\n<li class=\"p3\">[latex]\\Large\\frac{a}{0.4}\\normalsize =-20[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q160417\">Show Solution<\/span><\/p>\n<div id=\"q160417\" class=\"hidden-answer\" style=\"display: none\">a = \u22128<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]\\Large\\frac{b}{0.3}\\normalsize =-9[\/latex]<\/li>\n<li class=\"p3\">[latex]\\Large\\frac{x}{0.7}\\normalsize =-0.4[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q700886\">Show Solution<\/span><\/p>\n<div id=\"q700886\" class=\"hidden-answer\" style=\"display: none\">x = \u22120.28<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]\\Large\\frac{y}{0.8}\\normalsize =-0.7[\/latex]<\/li>\n<li class=\"p3\">[latex]\\Large\\frac{p}{-5}\\normalsize =-1.65[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q19829\">Show Solution<\/span><\/p>\n<div id=\"q19829\" class=\"hidden-answer\" style=\"display: none\">p = 8.25<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]\\Large\\frac{q}{-4}\\normalsize =-5.92[\/latex]<\/li>\n<li class=\"p3\">[latex]\\Large\\frac{r}{-1.2}\\normalsize =-6[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q638327\">Show Solution<\/span><\/p>\n<div id=\"q638327\" class=\"hidden-answer\" style=\"display: none\">r = 7.2<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]\\Large\\frac{s}{-1.5}\\normalsize =-3[\/latex]<\/li>\n<\/ol>\n<p class=\"p3\"><span class=\"s1\"><b>Mixed Practice<\/b><br \/>\n<\/span><\/p>\n<p><span class=\"s1\">In the following exercises, solve the equation. Then check your solution.<\/span><\/p>\n<ol>\n<li class=\"p3\"><span class=\"s1\">[latex]x - 5=-11[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q974070\">Show Solution<\/span><\/p>\n<div id=\"q974070\" class=\"hidden-answer\" style=\"display: none\">x = \u22126<\/div>\n<\/div>\n<p><\/span><\/li>\n<li class=\"p3\">[latex]-\\Large\\frac{2}{5}\\normalsize =x+\\Large\\frac{3}{4}[\/latex]<\/li>\n<li class=\"p3\">[latex]p+8=-2[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q240196\">Show Solution<\/span><\/p>\n<div id=\"q240196\" class=\"hidden-answer\" style=\"display: none\">p = \u221210<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]p+\\Large\\frac{2}{3}\\normalsize =\\Large\\frac{1}{12}[\/latex]<\/li>\n<li class=\"p3\">[latex]-4.2m=-33.6[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q890860\">Show Solution<\/span><\/p>\n<div id=\"q890860\" class=\"hidden-answer\" style=\"display: none\">m = 8<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">[latex]q+9.5=-14[\/latex]<\/li>\n<li>[latex]q+\\Large\\frac{5}{6}\\normalsize =\\Large\\frac{1}{12}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q23566\">Show Solution<\/span><\/li>\n<\/ol>\n<p class=\"p3\"><span class=\"s1\"><\/p>\n<div id=\"q23566\" class=\"hidden-answer\" style=\"display: none\">[latex]q=-\\Large\\frac{3}{4}[\/latex]<\/div>\n<\/div>\n<p><\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{8.6}{15}\\normalsize =-d[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{7}{8}\\normalsize m=\\Large\\frac{1}{10}[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]m=\\Large\\frac{4}{35}[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{j}{-6.2}\\normalsize =-3[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]-\\Large\\frac{2}{3}\\normalsize =y+\\Large\\frac{3}{8}[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]y=-\\Large\\frac{25}{24}[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]s - 1.75=-3.2[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{11}{20}\\normalsize =-f[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]f=-\\Large\\frac{11}{20}[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]-3.6b=2.52[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]-4.2a=3.36[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\"><i>a<\/i> = \u22120.8<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]-9.1n=-63.7[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]r - 1.25=-2.7[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\"><i>r<\/i> = \u22121.45<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{1}{4}\\normalsize n=\\Large\\frac{7}{10}[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]\\Large\\frac{h}{-3}\\normalsize =-8[\/latex]<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\"><i>h<\/i> = 24<\/span><\/p>\n<p class=\"p3\"><span class=\"s1\">[latex]y - 7.82=-16[\/latex]<\/span><\/p>\n<h3 class=\"p3\"><span class=\"s1\"><b>Translate to an Equation and Solve<\/b><br \/>\n<\/span><\/h3>\n<p class=\"p3\"><span class=\"s1\">In the following exercises, translate and solve.<\/span><\/p>\n<ol>\n<li class=\"p3\"><span class=\"s1\">The difference of [latex]n[\/latex] and [latex]1.9[\/latex] is [latex]3.4[\/latex].\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q945583\">Show Solution<\/span><\/p>\n<div id=\"q945583\" class=\"hidden-answer\" style=\"display: none\">[latex]n - 1.9=3.4;5.3[\/latex]<\/div>\n<\/div>\n<p><\/span><\/li>\n<li class=\"p3\">The difference [latex]n[\/latex] and [latex]1.5[\/latex] is [latex]0.8[\/latex].<\/li>\n<li class=\"p3\">The product of [latex]-6.2[\/latex] and [latex]x[\/latex] is [latex]-4.96[\/latex].\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q608215\">Show Solution<\/span><\/p>\n<div id=\"q608215\" class=\"hidden-answer\" style=\"display: none\">\u22126.2x = \u22124.96; 0.8<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">The product of [latex]-4.6[\/latex] and [latex]x[\/latex] is [latex]-3.22[\/latex].<\/li>\n<li class=\"p3\">The quotient of [latex]y[\/latex] and [latex]-1.7[\/latex] is [latex]-5[\/latex].\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q456493\">Show Solution<\/span><\/p>\n<div id=\"q456493\" class=\"hidden-answer\" style=\"display: none\">[latex]\\Large\\frac{y}{-1.7}\\normalsize =-5;8.5[\/latex]<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">The quotient of [latex]z[\/latex] and [latex]-3.6[\/latex] is [latex]3[\/latex].<\/li>\n<li class=\"p3\">The sum of [latex]n[\/latex] and [latex]-7.3[\/latex] is [latex]2.4[\/latex].\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q411534\">Show Solution<\/span><\/p>\n<div id=\"q411534\" class=\"hidden-answer\" style=\"display: none\">n + (\u22127.3) = 2.4; 9.7<\/div>\n<\/div>\n<\/li>\n<li class=\"p3\">The sum of [latex]n[\/latex] and [latex]-5.1[\/latex] is [latex]3.8[\/latex].<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<div class=\"textbox exercises\">\n<h3>Everyday math<\/h3>\n<ol>\n<li class=\"p3\"><span class=\"s1\">Shawn bought a pair of shoes on sale for [latex]$78[\/latex] . Solve the equation [latex]0.75p=78[\/latex] to find the original price of the shoes, [latex]p[\/latex].\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q798860\">Show Solution<\/span><\/p>\n<div id=\"q798860\" class=\"hidden-answer\" style=\"display: none\">$104<\/div>\n<\/div>\n<p><\/span><\/li>\n<li class=\"p3\">Mary bought a new refrigerator. The total price including sales tax was [latex]{$1,350}[\/latex]. Find the retail price, [latex]r[\/latex], of the refrigerator before tax by solving the equation [latex]1.08r=1,350[\/latex].<\/li>\n<\/ol>\n<\/div>\n<p>&nbsp;<\/p>\n<div class=\"textbox learning-objectives\">\n<h3><b>Writing Exercises<\/b><\/h3>\n<ul>\n<li class=\"p3\"><span class=\"s1\">Think about solving the equation [latex]1.2y=60[\/latex], but do not actually solve it. Do you think the solution should be greater than [latex]60[\/latex] or less than [latex]60?[\/latex] Explain your reasoning. Then solve the equation to see if your thinking was correct.<br \/>\n<\/span>Answers will vary.<\/li>\n<li class=\"p3\">Think about solving the equation [latex]0.8x=200[\/latex], but do not actually solve it. Do you think the solution should be greater than [latex]200[\/latex] or less than [latex]200?[\/latex] Explain your reasoning. Then solve the equation to see if your thinking was correct.<\/li>\n<\/ul>\n<\/div>\n<h3><\/h3>\n<h3>Chapter Review Exercises<\/h3>\n<h3>Decimals<\/h3>\n<h4>Name Decimals<\/h4>\n<p>In the following exercises, name each decimal.<\/p>\n<ol>\n<li>[latex]0.8[\/latex]<\/li>\n<li>[latex]0.375[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q858125\">Show Solution<\/span><\/p>\n<div id=\"q858125\" class=\"hidden-answer\" style=\"display: none\">three hundred seventy-five thousandths<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.007[\/latex]<\/li>\n<li>[latex]5.24[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q522530\">Show Solution<\/span><\/p>\n<div id=\"q522530\" class=\"hidden-answer\" style=\"display: none\">five and twenty-four hundredths<\/div>\n<\/div>\n<\/li>\n<li>[latex]-12.5632[\/latex]<\/li>\n<li>[latex]-4.09[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q805939\">Show Solution<\/span><\/p>\n<div id=\"q805939\" class=\"hidden-answer\" style=\"display: none\">negative four and nine hundredths<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<p><strong>Write Decimals<\/strong><br \/>\nIn the following exercises, write as a decimal.<\/p>\n<ol>\n<li>three tenths<\/li>\n<li>nine hundredths\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q982017\">Show Solution<\/span><\/p>\n<div id=\"q982017\" class=\"hidden-answer\" style=\"display: none\">0.09<\/div>\n<\/div>\n<\/li>\n<li>twenty-seven hundredths<\/li>\n<li>ten and thirty-five thousandths\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q726161\">Show Solution<\/span><\/p>\n<div id=\"q726161\" class=\"hidden-answer\" style=\"display: none\">10.035<\/div>\n<\/div>\n<\/li>\n<li>negative twenty and three tenths<\/li>\n<li>negative five hundredths\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q186732\">Show Solution<\/span><\/p>\n<div id=\"q186732\" class=\"hidden-answer\" style=\"display: none\">\u22120.05<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h3><strong>Convert Decimals to Fractions or Mixed Numbers<\/strong><\/h3>\n<p>In the following exercises, convert each decimal to a fraction. Simplify the answer if possible.<\/p>\n<ol>\n<li>[latex]0.43[\/latex]<\/li>\n<li>[latex]0.825[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q164943\">Show Solution<\/span><\/p>\n<div id=\"q164943\" class=\"hidden-answer\" style=\"display: none\">[latex]\\Large\\frac{33}{40}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>[latex]9.7[\/latex]<\/li>\n<li>[latex]3.64[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q553433\">Show Solution<\/span><\/p>\n<div id=\"q553433\" class=\"hidden-answer\" style=\"display: none\">[latex]3\\Large\\frac{16}{25}[\/latex]<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h4><strong>Locate Decimals on the Number Line<\/strong><\/h4>\n<ol>\n<li>[latex]0.6[\/latex]<\/li>\n<li>[latex]-0.9[\/latex]<\/li>\n<li>[latex]2.2[\/latex]<\/li>\n<li>[latex]-1.3[\/latex]<\/li>\n<\/ol>\n<p><strong>Order Decimals<\/strong><br \/>\nIn the following exercises, order each of the following pairs of numbers, using [latex]&lt[\/latex]; or [latex]\\text{>.}[\/latex]<\/p>\n<ol>\n<li>[latex]0.6\\text{___}0.8[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q623979\">Show Solution<\/span><\/p>\n<div id=\"q623979\" class=\"hidden-answer\" style=\"display: none\">&lt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.2\\text{___}0.15[\/latex]<\/li>\n<li>[latex]0.803\\text{____}0.83[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q511118\">Show Solution<\/span><\/p>\n<div id=\"q511118\" class=\"hidden-answer\" style=\"display: none\">&lt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]-0.56\\text{____} - 0.562[\/latex]<\/li>\n<\/ol>\n<p><strong>Round Decimals<\/strong><br \/>\nIn the following exercises, round each number to the nearest: \u24d0 hundredth \u24d1 tenth \u24d2 whole number.<\/p>\n<ol>\n<li>[latex]12.529[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q963837\">Show Solution<\/span><\/p>\n<div id=\"q963837\" class=\"hidden-answer\" style=\"display: none\">\u24d0 12.53 \u24d1 12.5 \u24d2 13<\/div>\n<\/div>\n<\/li>\n<li>[latex]4.8447[\/latex]<\/li>\n<li>[latex]5.897[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q402011\">Show Solution<\/span><\/p>\n<div id=\"q402011\" class=\"hidden-answer\" style=\"display: none\">\u24d0 5.90 \u24d1 5.9 \u24d2 6<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h3>Decimal Operations<\/h3>\n<p><strong>Add and Subtract Decimals<\/strong><br \/>\nIn the following exercises, add or subtract.<\/p>\n<ol>\n<li>[latex]5.75+8.46[\/latex]<\/li>\n<li>[latex]32.89 - 8.22[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q122303\">Show Solution<\/span><\/p>\n<div id=\"q122303\" class=\"hidden-answer\" style=\"display: none\">24.67<\/div>\n<\/div>\n<\/li>\n<li>[latex]24 - 19.31[\/latex]<\/li>\n<li>[latex]10.2+14.631[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q251287\">Show Solution<\/span><\/p>\n<div id=\"q251287\" class=\"hidden-answer\" style=\"display: none\">24.831<\/div>\n<\/div>\n<\/li>\n<li>[latex]-6.4+\\left(-2.9\\right)[\/latex]<\/li>\n<li>[latex]1.83 - 4.2[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q466020\">Show Solution<\/span><\/p>\n<div id=\"q466020\" class=\"hidden-answer\" style=\"display: none\">\u22122.37<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h3><strong>Multiply Decimals<\/strong><\/h3>\n<p>In the following exercises, multiply.<\/p>\n<ol>\n<li>[latex]\\left(0.3\\right)\\left(0.7\\right)[\/latex]<\/li>\n<li>[latex]\\left(-6.4\\right)\\left(0.25\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q623395\">Show Solution<\/span><\/p>\n<div id=\"q623395\" class=\"hidden-answer\" style=\"display: none\">\u22121.6<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(-3.35\\right)\\left(-12.7\\right)[\/latex]<\/li>\n<li>[latex]\\left(15.4\\right)\\left(1000\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q285983\">Show Solution<\/span><\/p>\n<div id=\"q285983\" class=\"hidden-answer\" style=\"display: none\">15,400<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h3><strong>Divide Decimals<\/strong><\/h3>\n<p>In the following exercises, divide.<\/p>\n<ol>\n<li>[latex]0.48\\div 6[\/latex]<\/li>\n<li>[latex]4.32\\div 24[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q772793\">Show Solution<\/span><\/p>\n<div id=\"q772793\" class=\"hidden-answer\" style=\"display: none\">0.18<\/div>\n<\/div>\n<\/li>\n<li>[latex]{$6.29}\\div 12[\/latex]<\/li>\n<li>[latex]\\left(-0.8\\right)\\div \\left(-0.2\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q994918\">Show Solution<\/span><\/p>\n<div id=\"q994918\" class=\"hidden-answer\" style=\"display: none\">4<\/div>\n<\/div>\n<\/li>\n<li>[latex]1.65\\div 0.15[\/latex]<\/li>\n<li>[latex]9\\div 0.045[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q476167\">Show Solution<\/span><\/p>\n<div id=\"q476167\" class=\"hidden-answer\" style=\"display: none\">200<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h3><strong>Use Decimals in Money Applications<\/strong><\/h3>\n<p>In the following exercises, use the strategy for applications to solve.<\/p>\n<ol>\n<li>Miranda got [latex]{$40}[\/latex] from her ATM. She spent [latex]{$9.32}[\/latex] on lunch and [latex]{$16.99}[\/latex] on a book. How much money did she have left? Round to the nearest cent if necessary.<\/li>\n<li>Jessie put [latex]8[\/latex] gallons of gas in her car. One gallon of gas costs [latex]{$3.528.}[\/latex] How much did Jessie owe for all the gas?\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q979400\">Show Solution<\/span><\/p>\n<div id=\"q979400\" class=\"hidden-answer\" style=\"display: none\">$28.22<\/div>\n<\/div>\n<\/li>\n<li>A pack of [latex]16[\/latex] water bottles cost [latex]{$6.72.}[\/latex] How much did each bottle cost?<\/li>\n<li>Alice bought a roll of paper towels that cost [latex]{$2.49.}[\/latex] She had a coupon for [latex]{$0.35}[\/latex] off, and the store doubled the coupon. How much did Alice pay for the paper towels?\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q848379\">Show Solution<\/span><\/p>\n<div id=\"q848379\" class=\"hidden-answer\" style=\"display: none\">$1.79<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h3>Decimals and Fractions<\/h3>\n<p><strong>Convert Fractions to Decimals<\/strong><br \/>\nIn the following exercises, convert each fraction to a decimal.<\/p>\n<ol>\n<li>[latex]\\Large\\frac{3}{5}[\/latex]<\/li>\n<li>[latex]\\Large\\frac{7}{8}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q527285\">Show Solution<\/span><\/p>\n<div id=\"q527285\" class=\"hidden-answer\" style=\"display: none\">0.875<\/div>\n<\/div>\n<\/li>\n<li>[latex]-\\Large\\frac{19}{20}[\/latex]<\/li>\n<li>[latex]-\\Large\\frac{21}{4}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q290526\">Show Solution<\/span><\/p>\n<div id=\"q290526\" class=\"hidden-answer\" style=\"display: none\">\u22125.25<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{1}{3}[\/latex]<\/li>\n<li>[latex]\\Large\\frac{6}{11}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q688890\">Show Solution<\/span><\/p>\n<div id=\"q688890\" class=\"hidden-answer\" style=\"display: none\">[latex]0.\\stackrel{\\text{-}}{54}[\/latex]<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h3><strong>Order Decimals and Fractions<\/strong><\/h3>\n<p>In the following exercises, order each pair of numbers, using [latex]&lt[\/latex]; or [latex]\\text{>.}[\/latex]<\/p>\n<ol>\n<li>[latex]\\Large\\frac{1}{2}\\text{___}\\normalsize 0.2[\/latex]<\/li>\n<li>[latex]\\Large\\frac{3}{5}\\text{___}\\normalsize 0[\/latex].\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q261457\">Show Solution<\/span><\/p>\n<div id=\"q261457\" class=\"hidden-answer\" style=\"display: none\">&gt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]-\\Large\\frac{7}{8}\\text{___}\\normalsize - 0.84[\/latex]<\/li>\n<li>[latex]-\\Large\\frac{5}{12}\\text{___}\\normalsize - 0.42[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q437665\">Show Solution<\/span><\/p>\n<div id=\"q437665\" class=\"hidden-answer\" style=\"display: none\">&gt;<\/div>\n<\/div>\n<\/li>\n<li>[latex]0.625\\text{___}\\Large\\frac{13}{20}[\/latex]<\/li>\n<li>[latex]0.33\\text{___}\\Large\\frac{5}{16}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q577503\">Show Solution<\/span><\/p>\n<div id=\"q577503\" class=\"hidden-answer\" style=\"display: none\">&gt;<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<p>In the following exercises, write each set of numbers in order from least to greatest.<\/p>\n<ol>\n<li>[latex]\\Large\\frac{2}{3}\\normalsize ,\\Large\\frac{17}{20}\\normalsize ,0.65[\/latex]<\/li>\n<li>[latex]\\Large\\frac{7}{9}\\normalsize ,0.75\\normalsize ,\\Large\\frac{11}{15}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q378060\">Show Solution<\/span><\/p>\n<div id=\"q378060\" class=\"hidden-answer\" style=\"display: none\">[latex]\\Large\\frac{11}{15}\\normalsize ,0.75,\\Large\\frac{7}{9}[\/latex]<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<p><strong>Simplify Expressions Using the Order of Operations<\/strong><br \/>\nIn the following exercises, simplify<\/p>\n<ol>\n<li>[latex]4\\left(10.3 - 5.8\\right)[\/latex]<\/li>\n<li>[latex]\\Large\\frac{3}{4}\\normalsize\\left(15.44 - 7.4\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q640694\">Show Solution<\/span><\/p>\n<div id=\"q640694\" class=\"hidden-answer\" style=\"display: none\">6.03<\/div>\n<\/div>\n<\/li>\n<li>[latex]30\\div \\left(0.45+0.15\\right)[\/latex]<\/li>\n<li>[latex]1.6+\\Large\\frac{3}{8}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q807946\">Show Solution<\/span><\/p>\n<div id=\"q807946\" class=\"hidden-answer\" style=\"display: none\">1.975<\/div>\n<\/div>\n<\/li>\n<li>[latex]52\\left(0.5\\right)+{\\left(0.4\\right)}^{2}[\/latex]<\/li>\n<li>[latex]-\\Large\\frac{2}{5}\\normalsize\\cdot\\Large\\frac{9}{10}\\normalsize +0.14[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q330532\">Show Solution<\/span><\/p>\n<div id=\"q330532\" class=\"hidden-answer\" style=\"display: none\">\u22120.22<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<h3><strong>Find the Circumference and Area of Circles<\/strong><\/h3>\n<p>In the following exercises, approximate the \u24d0 circumference and \u24d1 area of each circle.<\/p>\n<ol>\n<li>[latex]\\text{radius}=\\text{6 in.}[\/latex]<\/li>\n<li>[latex]\\text{radius}=\\text{3.5 ft.}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q138242\">Show Solution<\/span><\/p>\n<div id=\"q138242\" class=\"hidden-answer\" style=\"display: none\">\u24d0 21.98 ft. \u24d1 38.465 sq.ft.<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\text{radius}=\\Large\\frac{7}{33}\\normalsize\\text{m}[\/latex]<\/li>\n<li>[latex]\\text{diameter}=\\text{11 cm}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q976741\">Show Solution<\/span><\/p>\n<div id=\"q976741\" class=\"hidden-answer\" style=\"display: none\">\u24d0 34.54 cm \u24d1 379.94 sq.cm<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<div class=\"textbox examples\">\n<h3>Chapter Practice Test<\/h3>\n<ol>\n<li>Write six and thirty-four thousandths as a decimal.<\/li>\n<li>Write [latex]1.73[\/latex] as a fraction.\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q600240\">Show Solution<\/span><\/p>\n<div id=\"q600240\" class=\"hidden-answer\" style=\"display: none\">[latex]1\\Large\\frac{73}{100}[\/latex]<\/div>\n<\/div>\n<\/li>\n<li>Write [latex]\\Large\\frac{5}{8}[\/latex] as a decimal.<\/li>\n<li>Round [latex]16.749[\/latex] to the nearest \u24d0 tenth \u24d1 hundredth \u24d2 whole number\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q347848\">Show Solution<\/span><\/p>\n<div id=\"q347848\" class=\"hidden-answer\" style=\"display: none\">\u24d0 16.7 \u24d1 16.75 \u24d2 17<\/div>\n<\/div>\n<\/li>\n<li>Write the numbers [latex]\\Large\\frac{4}{5}\\normalsize ,-0.1,0.804,\\Large\\frac{2}{9}\\normalsize ,-7.4,0.21[\/latex] in order from smallest to largest.<\/li>\n<\/ol>\n<p>In the following exercises, simplify each expression.<\/p>\n<ol>\n<li>[latex]15.4+3.02[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q55734\">Show Solution<\/span><\/p>\n<div id=\"q55734\" class=\"hidden-answer\" style=\"display: none\">18.42<\/div>\n<\/div>\n<\/li>\n<li>[latex]20 - 5.71[\/latex]<\/li>\n<li>[latex]\\left(0.64\\right)\\left(0.3\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q893611\">Show Solution<\/span><\/p>\n<div id=\"q893611\" class=\"hidden-answer\" style=\"display: none\">0.192<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\left(-4.2\\right)\\left(100\\right)[\/latex]<\/li>\n<li>[latex]0.96\\div \\left(-12\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q928567\">Show Solution<\/span><\/p>\n<div id=\"q928567\" class=\"hidden-answer\" style=\"display: none\">\u22120.08<\/div>\n<\/div>\n<\/li>\n<li>[latex]-5\\div 0.025[\/latex]<\/li>\n<li>[latex]-0.6\\div \\left(-0.3\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q203291\">Show Solution<\/span><\/p>\n<div id=\"q203291\" class=\"hidden-answer\" style=\"display: none\">2<\/div>\n<\/div>\n<\/li>\n<li>[latex]{\\left(0.7\\right)}^{2}[\/latex]<\/li>\n<li>[latex]24\\div \\left(0.1+0.02\\right)[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q496593\">Show Solution<\/span><\/p>\n<div id=\"q496593\" class=\"hidden-answer\" style=\"display: none\">200<\/div>\n<\/div>\n<\/li>\n<li>[latex]4\\left(10.3 - 5.8\\right)[\/latex]<\/li>\n<li>[latex]1.6+\\Large\\frac{3}{8}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q706679\">Show Solution<\/span><\/p>\n<div id=\"q706679\" class=\"hidden-answer\" style=\"display: none\">1.975<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{2}{3}\\normalsize\\left(14.65 - 4.6\\right)[\/latex]<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>In the following exercises, solve.<\/p>\n<ol>\n<li>[latex]m+3.7=2.5[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q810140\">Show Solution<\/span><\/p>\n<div id=\"q810140\" class=\"hidden-answer\" style=\"display: none\">\u22121.2<\/div>\n<\/div>\n<\/li>\n<li>[latex]\\Large\\frac{h}{0.5}\\normalsize =4.38[\/latex]<\/li>\n<li>[latex]-6.5y=-57.2[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q76654\">Show Solution<\/span><\/p>\n<div id=\"q76654\" class=\"hidden-answer\" style=\"display: none\">8.8<\/div>\n<\/div>\n<\/li>\n<li>[latex]1.94=a - 2.6[\/latex]<\/li>\n<li>Three friends went out to dinner and agreed to split the bill evenly. The bill was [latex]{$79.35}[\/latex]. How much should each person pay?\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q159619\">Show Solution<\/span><\/p>\n<div id=\"q159619\" class=\"hidden-answer\" style=\"display: none\">$26.45<\/div>\n<\/div>\n<\/li>\n<li>A circle has radius [latex]12[\/latex]. Find the \u24d0 circumference and \u24d1 area. [latex]\\text{[}\\text{Use}3.14\\text{for}\\pi \\text{.]}[\/latex]<\/li>\n<li>The ages, in months, of [latex]10[\/latex] children in a preschool class are:[latex]55[\/latex] , [latex]55[\/latex] , [latex]50[\/latex] , [latex]51[\/latex] , [latex]52[\/latex] , [latex]50[\/latex] , [latex]53[\/latex] , [latex]51[\/latex] , [latex]55[\/latex] , [latex]49[\/latex]Find the \u24d0 mean \u24d1 median \u24d2 mode\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q980029\">Show Solution<\/span><\/p>\n<div id=\"q980029\" class=\"hidden-answer\" style=\"display: none\">\u24d0 59 \u24d1 51.5 \u24d2 55<\/div>\n<\/div>\n<\/li>\n<li>Of the [latex]16[\/latex] nurses in Doreen\u2019s department, [latex]12[\/latex] are women and [latex]4[\/latex] are men. One of the nurses will be assigned at random to work an extra shift next week. \u24d0 Find the probability a woman nurse will be assigned the extra shift. \u24d1 Convert the fraction to a decimal.<\/li>\n<\/ol>\n<p><strong>Find each unit price and then the better buy.<\/strong><\/p>\n<p>Laundry detergent: [latex]64[\/latex] ounces for [latex]{$10.99}[\/latex] or [latex]48[\/latex] ounces for [latex]{$8.49}[\/latex]<\/p>\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q425675\">Show Solution<\/span><\/p>\n<div id=\"q425675\" class=\"hidden-answer\" style=\"display: none\">64 ounces for $10.99 is the better buy<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>In the following exercises, simplify.<\/p>\n<ol>\n<li>[latex]\\sqrt{36+64}[\/latex]<\/li>\n<li>[latex]\\sqrt{144{n}^{2}}[\/latex]\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q44970\">Show Solution<\/span><\/p>\n<div id=\"q44970\" class=\"hidden-answer\" style=\"display: none\">12n<\/div>\n<\/div>\n<\/li>\n<li>Estimate [latex]\\sqrt{54}[\/latex] to between two whole numbers.<\/li>\n<li>Yanet wants a square patio in her backyard. She has [latex]225[\/latex] square feet of tile. How long can a side of the patio be?\n<div class=\"qa-wrapper\" style=\"display: block\"><span class=\"show-answer collapsed\" style=\"cursor: pointer\" data-target=\"q546060\">Show Solution<\/span><\/p>\n<div id=\"q546060\" class=\"hidden-answer\" style=\"display: none\">15 feet<\/div>\n<\/div>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<h2>Contribute!<\/h2>\n<div style=\"margin-bottom: 8px;\">Did you have an idea for improving this content? We\u2019d love your input.<\/div>\n<p><a href=\"https:\/\/docs.google.com\/document\/d\/1fAhXNHFYF66TpsEn8jscv8kYZkzpbHhFf5YsyPhZBew\" target=\"_blank\" style=\"font-size: 10pt; font-weight: 600; color: #077fab; text-decoration: none; border: 2px solid #077fab; border-radius: 7px; padding: 5px 25px; text-align: center; cursor: pointer; line-height: 1.5em;\">Improve this page<\/a><a style=\"margin-left: 16px;\" target=\"_blank\" href=\"https:\/\/docs.google.com\/document\/d\/1vy-T6DtTF-BbMfpVEI7VP_R7w2A4anzYZLXR8Pk4Fu4\">Learn More<\/a><\/p>\n\n\t\t\t <section class=\"citations-section\" role=\"contentinfo\">\n\t\t\t <h3>Candela Citations<\/h3>\n\t\t\t\t\t <div>\n\t\t\t\t\t\t <div id=\"citation-list-8971\">\n\t\t\t\t\t\t\t <div class=\"licensing\"><div class=\"license-attribution-dropdown-subheading\">CC licensed content, Specific attribution<\/div><ul class=\"citation-list\"><li>Prealgebra. <strong>Provided by<\/strong>: OpenStax. <strong>License<\/strong>: <em><a target=\"_blank\" rel=\"license\" href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/\">CC BY: Attribution<\/a><\/em>. <strong>License Terms<\/strong>: Download for free at http:\/\/cnx.org\/contents\/caa57dab-41c7-455e-bd6f-f443cda5519c@9.757<\/li><\/ul><\/div>\n\t\t\t\t\t\t <\/div>\n\t\t\t\t\t <\/div>\n\t\t\t <\/section>","protected":false},"author":17533,"menu_order":5,"template":"","meta":{"_candela_citation":"[{\"type\":\"cc-attribution\",\"description\":\"Prealgebra\",\"author\":\"\",\"organization\":\"OpenStax\",\"url\":\"\",\"project\":\"\",\"license\":\"cc-by\",\"license_terms\":\"Download for free at http:\/\/cnx.org\/contents\/caa57dab-41c7-455e-bd6f-f443cda5519c@9.757\"}]","CANDELA_OUTCOMES_GUID":"9d540036-9103-4291-a5b0-6a048019b0cf","pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-8971","chapter","type-chapter","status-publish","hentry"],"part":18911,"_links":{"self":[{"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/pressbooks\/v2\/chapters\/8971","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/wp\/v2\/users\/17533"}],"version-history":[{"count":34,"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/pressbooks\/v2\/chapters\/8971\/revisions"}],"predecessor-version":[{"id":17201,"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/pressbooks\/v2\/chapters\/8971\/revisions\/17201"}],"part":[{"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/pressbooks\/v2\/parts\/18911"}],"metadata":[{"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/pressbooks\/v2\/chapters\/8971\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/wp\/v2\/media?parent=8971"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/pressbooks\/v2\/chapter-type?post=8971"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/wp\/v2\/contributor?post=8971"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/courses.lumenlearning.com\/cpcc-algebra-trig-I-support\/wp-json\/wp\/v2\/license?post=8971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}