Ratios and Proportions

What is the constant of proportionality?

• $3

• $4

• $2

• $9

Tags

CCSS.7.RP.A.2B

What is the constant of proportionality (in miles per hour) based on the table?

• 45 mph

• 90 mph

• 135 mph

• 2 mph

Tags

CCSS.7.RP.A.2B

This is a table with a proportional relationship between A and B.  Find the missing value of B. 

• 33

• 44

• 32

• 48

Tags

CCSS.7.RP.A.2B

The cost of 4 pounds of grapes is $24.36. What is the constant of proportionality that relates cost in dollars, y, to the number of pounds of grapes, x?

• 6.09

• 20.36

• 8.12

• 28.36

Tags

CCSS.7.RP.A.2B

Is the given table a proportional relationship? If so, what is the constant?

• Yes; 1/3

• Yes; 3

• Yes; 5

• No

Tags

CCSS.7.RP.A.2B

The pet store has 18 dog toys for sale. 10 toys are frisbees and the rest are bones. What is the ratio of bones to frisbees in simplest form?

• 5/9

• 8/10

• 4/5

• 18/10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The ratio of dogs to cats at a pet store is 2 to 3. Which of these shows the possible numbers of dogs and cats in the pet store?

• 12 dogs, 13 cats

• 14 dogs, 21 cats

• 5 dogs, 10 cats

• 20 dogs, 23 cats

What is the constant of proportionality?

• 15

• 5

• 75

• 25

Tags

CCSS.7.RP.A.2B

Which equation matches the table?

• y = 24x

• y = 34x

• y = 44x

• y = 14x

Tags

CCSS.HSF-LE.A.1B

Craig earns extra money as a lifeguard. He earns $37 for 4 hours and $64.75 for 7 hours.  What is the constant of proportionality? 

• $37 per hour

• $64.75 per hour

• $9.25 per hour

• $18.50 per hour

Tags

CCSS.7.RP.A.2B