Review Ratios and Proportions

The price of peaches at Ethan's supermarket can be determined by the equation p=0.28n, where P is the price and n is the number of pounds of peaches. What is the constant of proportionality?

• $0.56/2 pounds

• $1/pound

• $0.28/pound

• $1.50/3 pounds

• There is no constant of proportionality because the price of peaches is not directly proportional to the weight of the peaches.

Tags

CCSS.7.RP.A.2B

Which table shows a proportional relationship between x and y?

• A

• B

• C

• D

Tags

CCSS.7.RP.A.2B

The graph shows the relationship between the cost of peaches and plums, and the number of pounds purchased. Which of the following statements are true? (Select all the true statements)

• The unit cost of peaches is greater than the unit cost of plums.

• The unit cost of plums is greater than the unit cost of peaches.

• The cost of peaches and plums is not proportional to the purchased.

• The cost of peaches and plums is proportional to the weight purchased.

Tags

CCSS.7.RP.A.2D

Which ratio below is proportional to the ratio   5/6?

• 6/5

• 50/75

• 25/30

• 12/10

Tags

CCSS.7.RP.A.2A

There were 5 ice cream cones for every 3 brownies sold at the ice cream shop. If there were 24 brownies sold, how many ice cream cones were sold?

• 8

• 15

• 40

• 29

Simplify the ratio of

20 to 25

• 1 to 5

• 2 to 5

• 3 to 5

• 4 to 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A 12-ounce bottle of shampoo lasts Enrique 16 weeks. How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 Weeks

• 24-ounce bottle

• 10.6 Weeks

• 10.6-ounce bottle

Tags

CCSS.6.RP.A.3B

About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many computers would you expect to have?

• 39 Computers

• 4.3 Homes

• 39 Homes

• 4.3 Computers

Tags

CCSS.7.RP.A.3

Which ratio is proportional to the ratio   1/5?

• 2/5

• 2/10

• 5/1

• 15/20

Tags

CCSS.7.RP.A.2A