Expressions and Equations Review

5(2x - 7) = 80

* work is required

• x = 11.5

• x = 115

• x = 12

• x = 16

Tags

CCSS.7.EE.B.4A

After paying $8.24 for a sandwich, Amanda has $7.71. With how much money did she start?

Which expression represents this situation and has the correct answer?

*work is required

• x - 8.24 = 7.71 ; x = 17.55

• 8.24 - x = 7.71 ; x = 0.53

• x - 8.24 = 7.71 ; x = 15.95

• x - 7.71 = 8.25 ; x = 15.96

Tags

CCSS.HSA.CED.A.3

Dexter's Gym charges a one-time registration fee of $40 and $20 each month. The total fee after x months is $340. Which equation models this situation?

• 40x + 20 = 340

• 20x + 40 = 340

• 20x - 40 = 340

• 20 + 340 = 40x

The rental rate at Rent A Wreck is $30 plus $0.25 per mile driven.

Write an expression to represent the total cost of driving m miles and look at the units.

• $30+0.25m$ ; $ + $ * miles

• $30+0.25m$ ; $ + $/mile * miles
  

• $0.25+30m$ ; $/mile + $ * miles

• $0.25+30m$ ; $ + $ * miles/$
  

Tags

CCSS.HSA-SSE.A.1A

After dining at your favorite restaurant, your bill arrives. As usual, the service was excellent, and the food was delicious! You leave a 20% tip. The total cost of the meal including tip was $57.06. What was the cost of the meal before the tip?

Let x = cost of meal before tip

*work is required

•  $x+0.2x=57.06$ ; The cost of the meal before tip was $47.55.

•  $x+0.2=57.06$  ; The cost of the meal before tip was $56.86.
  

•  $0.2x=57.06$  ; The cost of the meal before tip was $285.30.

•  $\frac{57.06}{0.2}=x$  ; The cost of the meal before tip was $71.33.
  

Tags

CCSS.6.EE.B.7

The quotient of 9 less than h and 3.

Tags

CCSS.6.EE.A.2A

twice a number increased by five

• 2x - 5

• 2x + 5

• 2(x - 5)

• 2(x + 5)

Tags

CCSS.6.EE.A.2A

Twice the sum of a number and 5

• n + 5

• 2 + 5n

• 2n + 5

• 2(n+5)

Tags

CCSS.6.EE.A.2A

The quotient of n and 8

• n + 8

• n - 8

• n x 8

• n / 8

Tags

CCSS.6.EE.A.2A

Solve for the value of x.

2x - 3 + 4x = 27

Tags

CCSS.8.EE.C.7B