The answer fam isPart A: Company A: y=30x+13 Company B: y=28x+15 X: number of mattresses Y: total cost Part B:
Company A: 30(4)+13= 133 Company B: 28(4)+15= 127
Company B cost less than Company A does when you purchase 4 mattresses Part C: Company A: 30(7)+13= 223 Company B: 28(7)+15= 211 You save $12 by using the services of Company B instead of Company A to clean 7 mattresses
