Linear Equations from Word Problems

Connor has sold 15 cups of lemonade at his stand and will sell 5 more cups per hour. Write an equation to represent this situation.

• y = 10x + 5

• y = 20x

• y = 15x + 5

• y = 5x + 15

Tags

CCSS.6.EE.C.9

Bob's Plumbing charges $15 per hour plus a service fee of $40 for coming out to your house. Which equation models this situation?

• y = 15x + 40

• y = 40x + 15

• y = 15x

• y = 15x - 40

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Ace Telecommunications charges $0.12 per minute of phone use plus a monthly service fee of $8.00 for it phone service. Which equation can be used to find c, the total cost for one month when m, minutes are used?

• c = 0.12m + 8m

• c = 8m + 0.12m

• c = 0.12m + 8

• c = 0.20m

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

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

• y = 40 + 150x

Tags

CCSS.HSF-BF.A.1A

Suppose that the water level of a river is 34 feet and that it is going down at a rate of 0.5 foot per day. Write an equation to represent the given situation.

• y = -0.5x + 34

• y = -34x + 0.5

• y - 34 = 0.5(x - 1)

• 34x - 0.5y = 33.5

Tags

CCSS.6.EE.C.9

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

• y = 12.5x + 30

• y = 12.5 + 30

• y = 30x + 12.5

• y = 30 - 12.5x

Tags

CCSS.6.EE.C.9

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 = 20x + 7

• y = 20 + 7

• y = 7x - 20

Tags

CCSS.6.EE.C.9

Eddie's Electric charges $90 per hour plus a $50 traveling fee. Which equation models this scenario?

• y = -50x + 90

• y = 90x + 50

• y = -90 - 50x

• y = 50 - 90x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A man is climbing down from 100 feet high descending 30 feet per minute.

• y = -30x + 100

• y = 30x + 100

• y = 100x + 30

• y = 100x - 30

Tags

CCSS.6.EE.C.9

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