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Study Guides > Prealgebra

Summary: Writing Ratios and Calculating Rates

ACCESS ADDITIONAL ONLINE RESOURCES
  • Ratios
  • Write Ratios as a Simplified Fractions Involving Decimals and Fractions
  • Write a Ratio as a Simplified Fraction
  • Rates and Unit Rates
  • Unit Rate for Cell Phone Plan

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]\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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