Question

Company A charges $25 per hour for home maintenance. Company B charges at the rate of $18 per hour together with the basic home visit charge of $35. Find the minimum number of complete hours of a maintains jobs such that the cost of engaging Company B is lower than that Company A.

Please Help​

Answer 1

Explanation:

Company A: 25h

Company B: 18h + 35

18h + 35 < 25h

subtract 18h from both sides

35 < 7h

divide both sides by 7

5 < h

Company B's cost is lower than company A when the number of hours are greater than 5