Equations and Inequalities Review

Jason worked 3 more hours than Keith. Jason worked 12 hours. Which equation represents this situation, if k is the number of hours Keith worked?

• 12 + k = 3

• 12k = 3

• k + 3 = 12

• 3k = 12

For which equation is x = 1 a solution?

• 4 – x = 1

• 4x – 1

• x + 3 = 4

Sawyer used $12.50 to buy a new journal. He has $32.25 left in his savings account. How much money did Sawyer have before he bought the journal?

• $19.75

• $20.25

• $32.25

• $44.75

A wall has an area of 40 square feet. Its height is 8 feet. Which equation could you use to find its width?

• 40 – w = 8

• 8w = 40

• 8 + w = 40

Jason has volunteered at the pet shelter 3 more times than Keith. Jason has volunteered 12 times. Which equation represents this situation?

• 12 + k = 3

• 12k = 3

• k + 3 = 12

• 3k = 12

For which equation is x = 5 a solution?

• 5x = 5

• 5 + x = 15

• 5 + 0 = x

Sawyer used $11.25 to buy a new journal. He has $37.75 left in his savings account. How much money did Sawyer have before he bought the journal?

• $26.00

• $26.50

• $49.00

• $49.75

Jason volunteered at the pet shelter

twice as many times as Keith. Noah volunteered three times more often than Jason. Keith volunteered 4 times. Which equation represents the relationship between the number of times Noah and Keith volunteered?

• n – 6 = 4

• n + 6 = 4

For which equation is x = 35 a solution?

A

B

C

D

• 55x = 925

• 15 + x = 75

Choose which inequality represents the situation below.      Juliette got a haircut, and her hair is still at least 15 inches long.

• h = 15

• h > 15