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 a quantity of one. For example, if you buy 5 apples for $10, the unit rate is $2 per apple.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the number of units. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.

Front

Find the unit rate of $97.50 for 15 pizzas.

Back

$6.50 per pizza.

Front

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

Back

$8 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

I paid $15.00 for 6 gallons of gasoline. What was the price PER gallon?

Back

$2.50 per gallon.

Front

What is the simplified form of the ratio 18:24?

Back

3:4.

Front

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

Front

What does it mean to simplify a ratio?

Back

To simplify a ratio means to reduce it to its simplest form by dividing both terms by their greatest common factor.

Front

If you buy 3 shirts for $45, what is the unit rate in dollars per shirt?

Back

$15 per shirt.