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Constant Rate Word Problems

Authored by Barbara White

Mathematics

8th - 9th Grade

CCSS covered

Constant Rate Word Problems
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12 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Joe’s Canoes charges an initial fee of $20 plus $4 an hour. Which function describes the total charge as a function of the number of hours?

Tags

CCSS.HSF-BF.A.1A

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Bob has $150 in his savings account and saves $40 per month.  Which equation represents the amount Bob has in his account after x months?

y = 150 + 40
y = 40x + 150
y = 150x + 40

Tags

CCSS.6.EE.C.9

3.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

A holiday meal costs $12.50 per person plus a delivery fee of $30.  Which equation represents the amount a holiday meal costs, including delivery, for x people?

y = 30 + 12.5x 
y = 12.5 + 30
y = 12.5 + 30x

Tags

CCSS.6.EE.C.9

4.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50. Which equation represents the total charges for x hours?

y = 8.5 + 25.50

y = 25.50 + 8.5x

y = 8.5 + 25.50x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jerry has $20 and makes $7 per hour. Which equation represents the total amount of money Jerry has after working x hours?

y = 7x + 20
y = 7 + 20x
y = 20 + 7

Tags

CCSS.6.EE.C.9

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sonya has $40 in her lunch account and pays $2 each day to eat lunch.  Which equation can be used to find the amount of money Sonya has left on her account after x days?

y = 40 + 2x
y = 40 - 2x
y = 2 + 40x
y = 2 - 40x

Tags

CCSS.HSF-BF.A.1A

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Sandra has a $20 itunes gift card and spends $3 each month.  Which equation can be used to find how much money Sandra has on her giftcard after x months?

y = 3x + 20
y = 3 + 20x
y = -3x + 20
y = -20x + 3

Tags

CCSS.6.EE.C.9

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