13.5 Review-Final

Did Sarah make an error? If so, which is the best description of her error?

• She didn't distribute correctly. The second step should read 3x - 12 = 24

• She didn't distribute correctly. The second step should read -3x - 12 = 24

• She didn't distribute correctly. The second step should read -3x + 12 = 24

• She didn't make an error.

Solve for x.

2(x + 15) = -6

• x = -10.5

• x = -18

• x = 18

• x = 10.5

Tags

CCSS.7.EE.A.1

CCSS.7.EE.B.3

CCSS.7.EE.B.4

Solve.

• -8

• 8

• -.80

• .08

Jacob collects hats. He has 6 hats already, and he collects 2 hats every week.

Which equation models this situation?

• y = 2x + 6

• y = 6x + 2

• y = 2x - 6

• y = 6x - 2

Tags

CCSS.6.EE.B.6

CCSS.6.EE.C.9

Solve for X

4(1-x)+3x = -2x-2

• x= 6

• x= 3

• x= -6

• x= -3

At Joe's Clown Car Rental Agency, renting a car costs $35 plus $0.75 for every mile it is driven. Write an equation that represents this situation.

• y = x(35 + 0.75)

• y = 35x + 0.75

• y = 0.75x + 35

• y = 0.75(x + 35)

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

• 25 pieces
• 35 pieces
• 75 pieces
• 70 pieces

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

A shop produces 39 wetsuits every 2 weeks.  How long will it take the shop to produce 429 wetsuits?

• 18 wk
• 20 wk
• 22 wk
• 24 wk

Tags

CCSS.6.RP.A.3B

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

If Mike has a ratio of 2 apples to 3 bananas, how many apples would you expect him to have if he has 15 bananas?

• 7
• 9
• 10
• 2

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3