proportions

On a map, if one centimeter represents 25 kilometers, how many kilometers does 7 centimeters represent?

• 175
• 185
• 200
• 220

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

Tags

CCSS.7.RP.A.3

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

Tags

CCSS.7.RP.A.2A

An old dolphin in a seaworld aquarium catches three times as many fish as a young dolphin at feeding time. The young dolphin catches 8, how many fish does the old dolphin catch?

• 64
• 16
• 24

Tags

CCSS.4.OA.A.2

To make plant fertilizer, you mix 12 ounces of Lime with every 10 ounces of water. If you use 80 ounces of water, how much lime do you need?

• 96 ounces
• 80 ounces
• 1.5 ounces
• 66.67 ounces

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.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

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

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

At a local university, in a typical classroom, the ratio of females to males is 15 to 8. How many females are there at the entire university if there are 520 males?

• 975
• 820
• 825
• 1,050

Tags

CCSS.8.EE.C.7

CCSS.8.F.B.4