Unit Rate Math Example 1

Follow the full solution, then compare it with the other examples linked below.

Example 1

easy
A car travels 240 miles using 8 gallons of gas. What is the unit rate in miles per gallon?

Solution

  1. 1
    A unit rate means the amount for exactly 1 gallon.
  2. 2
    Set up the rate: 240 miles8 gallons\frac{240 \text{ miles}}{8 \text{ gallons}}.
  3. 3
    Divide: 240÷8=30240 \div 8 = 30.

Answer

30 miles per gallon30 \text{ miles per gallon}
A unit rate expresses a quantity per one unit of another. Divide the total quantity by the total number of units to find the rate per single unit.

About Unit Rate

A rate expressed as a quantity per single unit of another quantity, such as miles per hour or cost per item.

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More Unit Rate Examples

Example 2 medium

A 12-pack of juice costs [formula]8.00. Which is the better deal?

Example 3 easy

A runner completes 15 laps in 45 minutes. What is the unit rate in minutes per lap?

Example 4 medium

Brand A sells 12 oz of cereal for [formula]4.50. Which is the better deal?

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