Common Assessment REVIEW (Part 2)

1/4x - 7 = 4

• 22
• 33
• 44
• 55

-3x + 4 > 28

• x > 8
• x < 8
• x < -8
• x > -8

8x + 10 = x - 4

• x = 2
• x = -2
• x = 1/2
• x = -1/2

20x + 120 > 1520

• x > -48
• x < -28
• x > 73
• x > 70

0.2x + 0.8 = 3.4

• x = 11
• x = 12
• x = 13
• x = 14

0.9a - 10 = 3.4a + 3

• a = 5.2
• a = -5.2
• a = 3.8
• a = -3.8

2/3x + 8 = 28

• 10
• 20
• 30
• 40

Stephanie needs to buy school supplies. Store A charges $3 for each notebook and $9 for one binder. Store B charges $4 for each notebook and $3 for one binder. Which inequality can be used to find x, the minimum number of notebooks Stephanie can buy so that the total charge at Store A is less than the total charge at Store B? 

• 3 + 9x > 4 + 2x
• 3 + 9x < 4 + 2x
• 3x + 9 > 4x + 2
• 3x + 9 < 4x + 2

Steven started out with $28 in his piggy bank. He puts $5 into the piggy bank every month when he gets his allowance. How much money would Steven have in his piggy bank after 2 years?

• 28x + 5; $38
• 28x + 5; $148
• 28 + 5x; $38
• 28 + 5x; $148