Ratio, Proportion, Percent

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

What is 90% of 250?

• 245
• 225
• 255
• 244.33

Tags

CCSS.6.RP.A.3C

What is 20% of 65?

• 13
• 15
• 16
• 13.75

Tags

CCSS.6.RP.A.3C

A mini piano keyboard has 16 black keys and 24 white keys. What percent of the keys are white?

• 66.6%
• 60%
• 40%
• 15%

If Mike can travel 135 feet in 12 seconds, how many yards could he travel in one hour?

• 900 yds/hr
• 1350 yds/hr
• 15 yds/hr
• 225 yds/hr

Tags

CCSS.6.RP.A.3B

88 students for 4 classes

How many students per class?

• 22 students per class

• 22 classes per student

• 25 students per class

• 25 classes per student

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars? 

• 3:5
• 1:3
• 3:11
• 3:10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Simplify the ratio of
35 : 14

• 5 : 2
• 2 : 5
• 3 : 1
• 35: 14

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2