Rates Ratios and Proportions

Find the missing amount.

• 27.5

• 51.5

• 110

• 1347.5

It costs $32.20 for 5 hoagies. What is the cost per hoagie?

• $6.44

• $27.20

• $37.20

• $161

In 2 hours, you can paint 9 boards. How many boards can you paint per hour?

• 4.5 boards per hour

• 7 boards per hour

• 11 boards per hour

• 18 boards per hour

The car can go 480 miles on 15 gallons of gas. How many miles per gallon can the car go?

• 32 miles per gallon

• 465 miles per gallon

• 495 miles per gallon

• 7200 miles per gallon

The ratio of soccer players to baseball players on two school teams is 4 to 7. Which of the following could be the number of players on each team?

• 12 soccer players and 15 baseball players

• 12 soccer players and 21 baseball players

• 16 soccer players and 19 baseball players

• 16 soccer players and 49 baseball players

A map uses a scale of 2 centimeters = 4 miles. Mary’s drive to work is represented on the map as traveling 1 centimeter north, then 2.5 centimeters west. Which proportion could be used to determine the number of miles Mary drives to work?

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Find the unit rate.

$28 for 7 people.

• x = 16

• x = 28

• x = 1/26

• x = 26

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour

• $12 per hour

• $192 per hour

• $25 per hour

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes

• 9 minutes

• 16 minutes

• 18 minutes