Proportions

In an animal shelter, the ratio of cats to dogs is 3 to 5. If there are a total of 25 dogs at the shelter, how many cats do they have?

• 15
• 18
• 21
• 32

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

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

Tags

CCSS.7.G.A.1

There are 4 milk chocolates to every 2 dark in a box of chocolates. There are 34 dark chocolates in the box. How many milk chocolates are in the box?

• 68
• 86
• 17
• 34

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Mr. Dulin runs 5 miles in 42 minutes.  He plans to run in a 25 mile race.  Based on his current speed, about how long will it take him to complete the race?

• 210 minutes
• 8.4 minutes
• 1050 minutes
• 200 minutes

Last week, Ida bought 8 cartons of raspberries for $7. How many cartons of raspberries can Ida buy this week if she has $21?

• 24 cartons
• 2.67 cartons
• 20 cartons
• 19 cartons

Tags

CCSS.6.RP.A.3B

Jessica was planning a trip to Jamaica. Before going, she did some research and learned that the exchange rate is one Jamaican dollar for 0.5 US dollars. How much Jamaican money would she get if she exchanged $28?

• $56
• $14
• $5.60
• $140

Tags

CCSS.6.RP.A.3B

Does the table represent a proportional relationship?

• Yes.
• No.

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

The distance that an automobile travels varies directly as the time it travels. If the car travels 280 miles in 7 hours, how far will it travel in 12 hours?

• 480
• 1960
• 84
• 25

A cake recipe calls for 1.5 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?

• 2.5 cups milk
• 1.75 cups milk
• 2 cups flour
• 2.25 cups milk