Ratios & Proportions

Solve the proportion.

• p=31.3
• p=308
• p=924
• p=532

Tags

CCSS.7.RP.A.2C

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35
• 60
• 18
• 50

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

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

Josh bought a pizza with eight slices of pizza for $12. What is the cost of one slice of pizza?

• $12

• $1.50

• $3

• $1

Courtney’s summer camp has 2 canoes for every 5 campers. If there are 70 campers in all, which proportion can be used to calculate how many canoes there are at the camp?

• 5/2 = 70/x
• 2/5 = 70/x
• 2/x = 70/5
• 2/70 = 5/x

Tags

CCSS.7.RP.A.2A

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.2

CCSS.7.RP.A.3

A scale drawing of a billboard uses the scale 4 cm:9 ft. The length of the billboard in the drawing is 11 cm. How long is the actual billboard?

• 13 ft
• 20.75 ft
• 24.75 ft
• 22 ft

Tags

CCSS.7.RP.A.2

CCSS.7.G.A.1

Find two ratios that are equivalent to 2/3 ?

• 4/6 and 5/12

• 3/4 and 12/36

• 6/9 and 8/12

• 1/2 and 6/9

Solve for x

• x=6
• x =1/6
• x = 7
• x=9

Tags

CCSS.7.RP.A.2B

Solve for x 

• x = 15
• x = 11
• x = 1/11
• x = 20

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

CCSS.7.EE.B.4

CCSS.7.EE.B.3