Proportional Relationships

Amelia knits 1/10 of a scarf in 48 minutes. What fraction of a scarf can Amelia knit in 1 hour?

• 1/480

• 2/25

• 1/8

• 5/24

Tags

CCSS.7.RP.A.1

Chris is trimming trees. He can trim 2/3 of a tree in 30 minutes. What is Chris’s rate for trimming trees in trees per hour?

• 1/45

• 1/3

• 3/4

• 4/3

Tags

CCSS.7.RP.A.1

Which table shows a proportional relationship between the values of x and y?

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2A

Which of the following tables represents a proportional relationship between the x and y values?

• 
• 
• 
• 

Tags

CCSS.7.RP.A.2A

Which equation has a constant of proportionality equal to 8?

• 4y = 8x

• 2y = 16x

• 3y = 21x

• 8y = 8x

Tags

CCSS.7.RP.A.2B

Shiloh and her sister have a small business where they make and sell pralines. The cost of their pralines is proportional to the weight of the pralines. A 6-ounce bag costs $13.50. Select the correct unit rate for this situation.

• $0.44 per ounce

• $0.81 per ounce

• $2.25 per ounce

• $7.50 per ounce

Tags

CCSS.6.RP.A.3B

The amount Josh charges to mow a lawn is proportional to the time that it takes him to mow the lawn. For a lawn that takes 2.5 hours to mow, Josh charges the customer $57.50.Which equation models the amount of d dollars that Josh charges when it takes him h hours to mow the lawn?

• h=23d

• d=23h

• d=55h

• d=143.7h

Tags

CCSS.7.RP.A.2C

The cost of tickets to a school band concert is shown in the table.

Which equation models the cost of the tickets?

• c = 5.25 t

• c = 10.50 t

• c = 15.75 t

• c = 26.25 t

Tags

CCSS.7.RP.A.2C

Clayton works at LTK seafood restaurant. He works for 8 hours and earns $112. The graph shows the relationship between the number of hours Clayton works, x, and the total amount of money he earns, y. Which point represents the number of dollars Clayton makes per hour?

• (1,8)

• (1,14)

• (2, 28)

• (8,112)

Tags

CCSS.7.RP.A.2D

Marion works for 7 hours and earns $78.75. The graph shows the relationship between the number of hours Marion works, x, and the total amount of money that he earns, y.

• (0,0)

• (1, 11.25)

• (4, 45)

• (11.25, 1)

Tags

CCSS.7.RP.A.2D