Solving One & Two-Step Equations: Evaluating Expressions

1. Sarah has 3 more than twice the number of apples that Tom has. If Tom has x apples, write an expression for the number of apples Sarah has and evaluate it when x = 4.

• 12

• 11

• 8

• 10

2. A movie ticket costs $8. If you buy y tickets, write an equation to represent the total cost and find the total cost when y = 5.

• The total cost when y = 5 is $40.

• The total cost when y = 5 is $50.

• The total cost when y = 5 is $30.

• The total cost when y = 5 is $20.

3. The perimeter of a rectangle is 30 meters. If the length is 2 meters more than the width, write an equation to find the width and solve for it.

• 4 meters

• 6 meters

• 10 meters

• 8 meters

4. A car rental company charges a flat fee of $50 plus $0.20 per mile driven. Write an expression for the total cost C in terms of miles m driven and evaluate it for m = 100.

• 70

• $50

• $100

• $90

5. If 5 times a number n is decreased by 7, the result is 18. Write an equation to find n and solve it.

• 10

• 3

• -2

• 5

6. The sum of three consecutive integers is 72. Write an equation to represent this situation and find the integers.

• 25, 26, 27

• 21, 22, 23

• 23, 24, 25

• 20, 21, 22

7. A store is having a sale where you can save $15 on a jacket that originally costs $60. Write an equation to find the sale price and calculate it.

• $50

• The sale price of the jacket is $45.

• $30

• $60

8. The equation y = 2x + 3 represents a line. What is the value of y when x = 4?

• 13

• 9

• 11

• 7

9. A gardener is planting flowers in rows. If each row has 5 flowers and there are r rows, write an expression for the total number of flowers and evaluate it for r = 6.

• 30

• 25

• 35

• 40