How to Solve Proportions

Solve for x:  x/4 = 6/8

• 4

• 2

• 3

• 10

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the correct way to write the cross multiplication for this proportion

• 15=25x

• 125=5x

• 75=5x

• 5=3x

Tags

CCSS.7.RP.A.2C

Solve for c

• -7/2

• -2

• -1

• -13/2

Tags

CCSS.7.EE.B.4A

Solve for k

• 165

• 17

• 1/17

• 1/165

Tags

CCSS.8.EE.C.7B

A proportion is a

• ratio statement

• an "if-then" statement

• a statement of 2 ratios that are equal to each other

• a comparison

Tags

CCSS.6.RP.A.3A

Kevin is mixing paint to make orange. The ratio of red paint to yellow paint is 3 oz to 5 oz. How much yellow paint should he mix with 9 oz of red paint?

• 15 oz

• 30 oz

• 45 oz

• 11 oz

Which ratio is proportional to the ratio   1/5?

• 2/5

• 2/10

• 5/1

• 15/20

Tags

CCSS.7.RP.A.2A

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• p=31.3

• p=308

• p=924

• p=532

Tags

CCSS.7.RP.A.2C

Use the table to write a proportion.

• 2.08/16=d/8

• 8/d=16/2.08

• 2.08/16=8/d

• 2.08/8=d/16