Linear Word Problems

1. A plant is 5cm tall and growing at a rate of 3cm a month.

• 5 + 3
• 5x + 3
• 5 + 3x

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

Bob has $150 in his savings account and saves $40 per month.

• 150 + 40
• 40x + 150
• 150x + 40

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A holiday meal costs $12.50 a person plus a delivery fee of $30.

• 30 + 12.5x 
• 12.5 + 30
• 12.5 + 30x

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

Easy Car Rental charges $8.50 an hour plus a rental fee of $25.50.

• 8.5 + 25.5
• 25.5 + 8.5x
• 8.5 + 25.5x

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

Write an expression for the following. Jerry has $20 and makes $7 per hour.

• 7x + 20
• 7 + 20x
• 20 + 7

Tags

CCSS.HSA-SSE.A.1A

Sandra has a $20 itunes gift card and spends $3 each month.

• 3x + 20
• 3 + 20x
• -3x + 20
• -20x + 3

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

For lunch, Amanda had a hamburger and some potato chips. The hamburger totaled 325 calories and each chip had 12 calories. Write a liner equation to represent the situation.

• y = 12 + 325
• y = 12x  + 325
• y = 325 - 12x
• y = 325x + 12

Tags

CCSS.6.EE.C.9

Which equation represents the total cost of a repair by an electrician after x hours?
An electrician charges $90 per hour plus a $50 travelling fee.

• y = 50 - 90x
• y = 90x + 50
• y = -50x + 90
• y = -90 - 50x

Tags

CCSS.HSF.LE.A.2

CCSS.8.F.B.4

A car rental company charges $56 per day plus $0.30 per mile driven.  John paid $86 after renting a car for one day.  What equation should he use to find x, the number of miles he drove?

• x + 56 = 86
• 30x + 56 = 86
• 0.30x + 56 = 86
• 0.30x + 86 = 56

Tags

CCSS.HSA.CED.A.3

Daniel is paid $10 per week for selling newspaper subscriptions.  He is also paid $3.50 for each new customer (x) that signs up for the subscription.  Which equation represents the amount (y) Daniel earns  per week?

• y = 3.5x
• y= 10 + x
• y = 10 + 35x
• y = 10 + 3.5x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2