Real World Linear Equations

Which equation shows the number of bottles left, y, after x days? A family buys a case of water with 48 bottles and drinks 5 bottles per day.

• y = 48x + 5
• y = -5 + 48x
• y = -5x - 48
• y = 48 - 5x

Tags

CCSS.6.EE.C.9

Paul the plumber charges $25 for a service call. He then charges $100 an hour.  Write a linear equation to model this situation if x represents the number of hours Paul works.

• y = 100x
• y = 25x
• y = 25x + 100
• y = 100x + 25

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A plumber charges $50 to make a house call. He also charges $25 per hour for labor. How much would it cost for 2.5 hours of labor?

• $100

• 4.50

• $112.50

• $65.00

• $123.45

Tags

CCSS.HSF-LE.A.1B

Your new job is at the Custom T Shop, where T Shirts are printed to order. For each order, Custom T Shop charges $8 per shirt plus a one time set up fee of $15, represented by the equation y = 8x + 15. How much would 50 shirts cost?

• $40

• $400

• $415

• $65

• $390

Tags

CCSS.HSF.LE.B.5

Jacob is looking for a job delivering pizzas. Tino’s Pizza is offering Jacob $25 base pay and then $3 per pizza that he delivers. What would x and y represent in this situation?

• X: Total Money Made

  Y: Number of Pizzas

• X: Number of Pizzas

  Y: Total Money Made

• Variables should be numbers and not words.

Tags

CCSS.6.EE.C.9

Tags

CCSS.HSA.REI.B.3

CCSS.HSA.CED.A.1

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

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

Tags

CCSS.6.EE.C.9

Billy's car needed repairs. The mechanic charged him $140 for the parts and an additional $48 an hour for labor. How many hours of labor did the mechanic work on the car if her total bill was $260?

• 3 hours
• 12 hours
• 2.5 hours
• 5 hours

Tags

CCSS.7.EE.B.4A

The drama club sold tickets to a play for $5 each. They also made $55 total in soda and popcorn sales. If the drama club made a total of $290, how many tickets were sold?

• 47 tickets

• 58 tickets

• 69 tickets

• 113 tickets

Tags

CCSS.7.EE.B.4A

The local service center advertises that it charges a flat fee of $50 plus $8 per mile to tow a vehicle. Write an equation that represents the total cost (C) of a service for m miles of towing.

• y=8x+50

• y=50x+8

• C=50m+8

• C=8m+50

Tags

CCSS.HSF-BF.A.1A