Chapter 8 Review

Solve the proportion:

• 15
• 5
• 10
• 12

Tags

CCSS.7.RP.A.2B

Solve the proportion:

• 4
• 21
• 24
• 3

Tags

CCSS.7.RP.A.2B

Solve for a

• 29/12
• 41/12
• 107/12
• 13

Tags

CCSS.7.EE.B.3

A grading machine can grade 48 multiple-choice tests in 1 minute. How long will it take the machine to grade 300 tests?

• 6.25 Min
• 0.16 Tests
• 6.25 Tests
• 0.16 Min

Tags

CCSS.4.MD.A.2

A 6-ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a 10-ounce package?

• 75 Pieces
• 27-ounces
• 27 pieces
• 75-ounces

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

The waiting time to ride a roller coaster is 20 minutes when 150 people are in line. How long is the waiting time when 240 people are in line?

• 32 People
• 32 Min.
• 12.5 Min.
• 12.5 People

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Suppose y varies directly as x.
If  y = 22.5 when x = 15, find y when x = 20.

• 1.5
• 337.5
• 30
• 16.875

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

Suppose y varies jointly as x & z. 
If y = -180 when z = 15
and x = -3,
then find y when x = 7 and z = -5.

• -140
• 140
• -4
• 4

Suppose y varies inversely with x.
If y = 150 when x = 2, find y when x = 25.

• 300
• 75
• 1,875
• 12

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.NS.A.2

Solve for x 

• x = 16
• x = 28
• x = 1/26
• x = 26

Tags

CCSS.7.RP.A.2B