Unit Rates

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 one unit. It is often used to determine the cost per item or the speed 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 have 10 apples for $5, the unit rate is $5 ÷ 10 apples = $0.50 per apple.

Front

If 3 pounds of granola cost $3.75, what is the unit rate in dollars per pound?

Back

$1.25 per pound.

Front

A store sees 120 customers in 8 hours. What is the unit rate in customers per hour?

Back

15 customers per hour.

Front

My father drove 231 miles with 7 gallons of gas. What was his mileage in miles per gallon?

Back

33 miles per gallon.

Front

Joshua drove 90 miles on 15 gallons of gas. What is the unit rate in miles per gallon?

Back

6 miles per gallon.

Front

If 4 pounds of bananas cost $6, what is the cost per pound?

Back

$1.50 per pound.

Front

What is the unit rate of speed if a car travels 300 miles in 5 hours?

Back

60 miles per hour.

Front

If a recipe requires 2 cups of flour for 4 servings, what is the unit rate of flour per serving?

Back

0.5 cups of flour per serving.

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the number of units. For example, if a 12-pack of soda costs $6, the unit price is $6 ÷ 12 = $0.50 per can.