Solving equations word problems

WRITE AN EQUATION
You bought a magazine for $5 and four
erasers. You spent a total of $29. How
much did each eraser cost?

• 5 + x = 29
• -5 - 4x = -29
• 5x = 29
• 29 - 5 = -4x

Tags

CCSS.HSA.CED.A.3

WRITE AN EQUATION
Lilli spent half of her weekly allowance playing mini-golf. To earn more money her parents let her wash the car for $4. What is her weekly allowance if she ended with $12?

• -x/2 + 4 = 12
• x/2 - 4 = 12
• 12 - 4 = x
• 12 - 4 = -x/2

Tags

CCSS.HSA.CED.A.3

WRITE AN EQUATION
For a field trip 4 students rode in cars and the rest filled nine buses. How many students were in each bus if 472 students were on the trip?

• 4x=472
• 9x=472
• 4+9x=472
• 4+x=472

Tags

CCSS.HSA.CED.A.3

Stephanie wants to buy s tomato plants, and Diego wants to buy d tomato plants. Each plant costs $7. Stephanie will use a coupon that will give them $25 off the total cost of all their plants.

Which expression represents the total cost of all the plants with the discount?

• 7(s + d) - 7(s + d)(0.25)

• 0.75(7s) + 7d

• 7(s + d) - 25

• 25(s + d) - 7

Tags

CCSS.HSA-SSE.A.1A

At a party, 4 identical tables are placed side by side as shown. The dimensions of one table are given.

Which expressions represent the perimeter of the rectangle formed by all the tables?

• 10x - 12 + x + 10x - 12 + x

• 8(2.5x - 3) + 5x

• 2(10x - 12) + 2x

• 4(2.5x - 3) + x

• 2(11x - 12)

Tags

CCSS.7.EE.A.1

The side length of a square is represented by the expression n - 1.5. Which are equivalent expressions for the perimeter of the square? Choose all that apply.

• n + n + n + n - 1.5 - 1.5 - 1.5 - 1.5

• 2(n - 1.5) + 2(n - 1.5)

• 4n - 1.5

• 1.5n - 4

• 4(n - 1.5)

Tags

CCSS.6.EE.A.4

Find an equivalent expression to 3(4m - 2) - 2(m + 5). Select all that apply.

• 12m - 6 - 2m - 10

• 10m - 16

• 14m - 16

• 10m - 4

Chelsey wants to join a fitness club. The fitness club charges an initial membership fee of $55 and a monthly fee of 19.50. She has $250 to spend on a membership at that fitness club. Write an equation to find the number of months Chelsey can be a member of the fitness club.

• 250 = 55 + 19.50m

• 250 - 55 = 19.50m

• 250 = 55 - 19.50m

• 19.50 = 250 - 55m

Tags

CCSS.7.EE.B.4A

-3.4p - 5.6 = 25.5

• -9.147

• -5.853

• 9.147

• 34.5

• x = 8

• x = 4

• x = -8

• x = 3