ratio and proportion review

what is the lowest form of ratio for 84:99

• 28:33
• 33:28
• 9:4
• 20:3

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.1

CCSS.6.NS.B.4

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 is to 7
• 7 is to 5
• 5 is to 12
• 7 is to 12

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.1

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.1

CCSS.6.EE.B.7

CCSS.6.EE.B.5

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets?

• 2:4
• 2:5
• 2:11
• 11:2

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.1

 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.6.RP.A.3

CCSS.6.RP.A.1

CCSS.6.EE.B.7

CCSS.6.EE.B.6

What percent of 35 is 8?

• 23%
• 77.14%
• 63%
• 43%

Tags

CCSS.7.RP.A.3

What is 20% of 45?

• 9
• 44.44
• 225
• 12

Tags

CCSS.5.NF.B.4

CCSS.5.NF.B.6

18 is 40% of what number?

• 45
• 18
• 7.2
• 40

Tags

CCSS.6.EE.B.7

CCSS.6.EE.B.6

CCSS.6.EE.B.5

7 is what percent of 56?

• 12.5%
• 7%
• 56%
• 800%

Tags

CCSS.7.RP.A.3

CCSS.7.RP.A.2

20 is 80% of what number?

• 25
• 24
• 26
• 20

Tags

CCSS.6.EE.B.7

CCSS.6.EE.B.6

CCSS.6.EE.B.5