Unit Rate and applying unit rate

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if you travel 60 miles in 2 hours, the unit rate is 30 miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you buy 4 apples for $2, the unit rate is $2 ÷ 4 apples = $0.50 per apple.

Front

If 5 cups of dog food contain 1600 calories, how many calories are in 1 cup?

Back

320 calories (1600 calories ÷ 5 cups = 320 calories per cup).

Front

How many calories are in 3 cups of dog food if 1 cup has 320 calories?

Back

960 calories (320 calories per cup × 3 cups = 960 calories).

Front

If you buy 4 Snickers for 5 dollars, what is the cost of 1 Snickers?

Back

$1.25 (5 dollars ÷ 4 Snickers = $1.25 per Snickers).

Front

How much would 12 Snickers cost if 1 Snickers costs $1.25?

Back

$15 (12 Snickers × $1.25 per Snickers = $15).

Front

If Ernie travels 195 miles in 3 hours, what is his speed in miles per hour?

Back

65 miles per hour (195 miles ÷ 3 hours = 65 miles per hour).

Front

How far will Ernie travel in 5 hours at the same speed?

Back

325 miles (65 miles per hour × 5 hours = 325 miles).

Front

Harry mowed 8 lawns and earned $96. How much did he earn per lawn?

Back

$12 ($96 ÷ 8 lawns = $12 per lawn).

Front

If an 8 pack of juice boxes costs $4.79, what is the cost per juice box?

Back

$0.60 ($4.79 ÷ 8 juice boxes = $0.60 per juice box).