Rates and Proportion

You travel 150 miles on 5 gallons. How far did you travel per gallon?

• 15 miles

• 30 miles

• 3 miles

• 25 miles

If Justin ordered 5 ice cream bars for $12.25, how much was each ice cream bar?

• $2.45

• $4.00

• $7.25

• $1.25

In an animal shelter, there are 5 dogs for every 20 cats. Which rate best represents the relationship between dogs and cats?

• 10 dogs for every 40 cats

• 1 dog for every 5 cats

• 2 dogs for every 10 cats

• 12 dogs for every 50 cats

When are unit rates useful? Choose the best answer.

• When you want to subtract a number by another.

• When you want to multiply one number by another.

• When you want to compare prices.

• When you want to figure out the probability of a number.

The car travels 440 miles in 8 hours. What is the unit rate?

• 12 miles per hour

• 55 miles per hour

• 110 miles per hour

• 44 miles per hour

Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

• $30

• $20

• $60

• $10

Mr. Foster drove 160 kilometers in 2 hours. What is the distance he can travel in 6 hours?

• 540

• 48

• 480

• 54

A cake recipe calls for 1 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

For every 8 hours you work you make $60. How much do you make per hour?

• $9

• $7.50

• $8

• $8.25

Austin mowed 7 lawns in 4 hours. At that rate, how long will it take him to mow 21 lawns?

• 11 hours

• 12 hours 

• 21 hours

•  28 hours.