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 rate of something per unit of measure.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the total quantity by the number of units. For example, if you spend $15 on 3 pounds of apples, the unit rate is $15 ÷ 3 = $5 per pound.

Front

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

Back

60 miles per hour (300 miles ÷ 5 hours = 60 miles/hour).

Front

What is the unit rate if 4 gallons of paint cost $80?

Back

$20 per gallon ($80 ÷ 4 gallons = $20/gallon).

Front

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

Back

0.5 cups of sugar per serving (2 cups ÷ 4 servings = 0.5 cups/serving).

Front

How do you find the price per item when given the total cost and quantity?

Back

Divide the total cost by the number of items. For example, if 10 items cost $50, the price per item is $50 ÷ 10 = $5 per item.

Front

What is the unit rate of 120 customers in 6 hours?

Back

20 customers per hour (120 customers ÷ 6 hours = 20 customers/hour).

Front

If Sasha mows 3/8 of an acre in 3/4 of an hour, how many acres does she mow per hour?

Back

1/2 acre per hour (3/8 ÷ 3/4 = 1/2 acre/hour).

Front

What is the unit rate if 15 miles are traveled in 3 hours?

Back

5 miles per hour (15 miles ÷ 3 hours = 5 miles/hour).

Front

If a family spends $252 on 4 concert tickets, what is the price per ticket?

Back

$63 per ticket ($252 ÷ 4 tickets = $63/ticket).