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9/22 Writing Equations

Mathematics

8th Grade

9/22 Writing Equations
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If chocolate chip cookies cost $3.00 per cookie plus $2 for boxing them up in a decorated box, what would the expression be?

3 + 2x

3x + 2

3x + 2x

5x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What could this represent? 7x + 2 = 30

Buying pet turtles for $7 each plus two cans of turtle food cost $30.

Seven bags of candy plus 2 extra snickers bars equals 30 dollars.

Two yoyos plus seven frisbees is thirty cents.

Buying seven calculators plus $2 per bundle of pencils is $30.

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Scott's Automotive charges $35 for each car plus $7 per hour. Write an equation that represents this scenario if Kylie was charged $63.

35x + 7 = 63

7x = 63

7x - 35 = 63

7x + 35 = 63

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Mallory bought pizza and soda for her End of Summer party. If she spent $12.57 on the sodas and $10.95 for each pizza, how many pizzas did she buy if she spent $89.22? Which equation models this scenario?

10.95x + 12.57 = 89.22

89.22x - 10.95 = 12.57

12.57x + 10.95 = 89.22

12.57 + 10.95 = 89.22

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jim works at a local restaurant. He earns $8 an hour, plus tips. If Jim earned $350 last week, which included $270 in tips, how many hours did he work?

8/h + 270 = 350

350 = 270 + 8 + h

350 = 270 + 8h

350 -270 = h

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Olivia bought a notebook for $12.50 and 9 pens. If her total was $43.73, how much was each pen?

12.5x +9 = 43.73

73.43 = 12.5x + 9

12.5 - 9x = 43.73

43.73 = 12.5 + 9x

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