## Glossary

- ratio
- A ratio compares two numbers or two quantities that are measured with the same unit. The ratio of [latex]a[/latex] to [latex]b[/latex] is written [latex]a[/latex] to [latex]b[/latex] , [latex]\Large\frac{a}{b}[/latex] , or [latex]a:b[/latex] .

- rate
- A rate compares two quantities of different units. A rate is usually written as a fraction.

- unit rate
- A unit rate is a rate with denominator of 1 unit.

- unit price
- A
**unit price**is a unit rate that gives the price of one item.

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