proportions, unit rates, and conversions

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

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

• 540

• 48

• 480

• 54

Tags

CCSS.6.RP.A.3B

Eric bought 4 pairs of sports socks for $9. How many pairs of socks can he buy for $13.50?

• 8

• 7

• 6

• 5

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

Tags

CCSS.6.RP.A.3B

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs. Write and solve a proportion to find the number c of cats.

• c=15

• c=18

• c=21

• c=16

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?

• 1.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

A painting is 2 in tall and 3 in wide. If it is enlarged to a width of 15 in then how tall will it be?

• 8 in

• 30 in

• 20 in

• 10 in

Company A sells 16 bears for ​$44.96. Company B sells 15 bears for ​$42.60. Company C charges ​$33.48 for 12 bears. Which company has the best​ buy?

• Company A

• Company B

• Company C

• All 3 are the same