Question

Maria is comparing the prices of two window cleaning companies. Company A charges $6 per window and an additional $12 as service charges. Company B charges $5 per window and an additional $15 as service charges. Part A: Write an equation to represent each company's total charges for cleaning a certain number of windows. For both equations (one for Company A and one for, define the variable used. Part B: Which company would charge less for cleaning 8 windows? Justify your answer. Part C: How much money is saved by using the services of Company B instead of Company A to clean 6 windows? (3 points)

Answer 1

Part A: x is the number of windows

company A=6x+12

companyB=5x+15

Part B

company B

Part C

$3

Explanation:

Part B

A 6*8+12=60

B 5*8+15=55

Part C

(6*6+12)-(5*6+15)=3