Unit Rate Math Example 2

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

Example 2

medium
A 12-pack of juice costs \5.40. A 20-pack costs \8.00. Which is the better deal?

Solution

  1. 1
    Unit price for 12-pack: \frac{5.40}{12} = \0.45$ per bottle.
  2. 2
    Unit price for 20-pack: \frac{8.00}{20} = \0.40$ per bottle.
  3. 3
    Compare: \0.40 < \0.450.45, so the 20-pack is cheaper per bottle.

Answer

TheĀ 20-packĀ atĀ $0.40Ā perĀ bottle\text{The 20-pack at }\$0.40\text{ per bottle}
To compare deals, compute the unit price for each option by dividing total cost by number of items. The lower unit price is the better value.

About Unit Rate

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

Learn more about Unit Rate ā†’

More Unit Rate Examples

Example 1 easy

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

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?

ā† All Unit Rate Examples Unit Rate Concept