Ratio and Proportion

If the ratio of blue to red marbles is 2:5, which of the following is NOT an equivalent ratio?

• 4:10

• 6:15

• 1:2.5

• 8:20

Tags

CCSS.6.RP.A.3A

What ratio is equivalent to 5:3?

• 6:10

• 15:9

• 12:20

• 25:18

Tags

CCSS.6.RP.A.3A

In a recipe, the ratio of flour to sugar is 2:3. Which of these is an equivalent ratio?

• 4:5

• 6:10

• 8:10

• 10:15

Tags

CCSS.6.RP.A.3A

If the ratio of red cars to blue cars is 5:2, which is an equivalent ratio?

Tags

CCSS.6.RP.A.3A

In a proportional relationship, if x=3 and y=12, what is the constant of proportionality?

Tags

CCSS.7.RP.A.2B

If 3 shirts cost $45, how much would 9 shirts cost?

• $90

• $135

• $105

• $75

Tags

CCSS.6.RP.A.3B

Find the equivalent ratio for 5:8.

• 3:5

• 7:10

• 10:16

• 2:4

Tags

CCSS.6.RP.A.3A

What is the equivalent ratio for 10:15?

• 5:7

• 2:3

• 4:6

• 3:2

Tags

CCSS.6.RP.A.3A

If the ratio of red balls to blue balls is 2:3, what is the equivalent ratio for 20 red balls?

• 20:30

• 30:20

• 10:15

• 15:10

Which of the following is an equivalent ratio for 7:10?

• 3:5

• 5:7

• 8:12

• 14:20

Tags

CCSS.6.RP.A.3A