Peter hired a cleaning company to clean his house. The cleaning company charges a fixed fee of $15 plus $17 per hour to clean a

Question

3 years ago

9

Peter hired a cleaning company to clean his house. The cleaning company charges a fixed fee of $15 plus $17 per hour to clean a

house. A second cleaning company charges $20 per hour to clean a house. The second company does not charge a fixed fee in addition to their hourly rate. For what number of hours is the total amount charged for cleaning a house the same for both companies? Show or explain how you got your answer.

Mathematics

1 answer:

creativ13 [48] · Answer 1 · 2022-12-09T12:50:37+03:00

creativ13 [48]3 years ago

7 0

Answer:

5 hours

Equations:

first company: 17x+15

second company: 20x

Proof:

17(5)+15 => 85+15 => 100

20(5) => 100