Question

A computer consultant charges $50 plus $40 for each hour she works. The consultant charged $650 for one job. This can be represented by the equation below, where h represents the number of hours worked. How many hours did the consultant work?

Answer 1

15

Explanation:

from the equation 50+40h=650

solving for h which is the number of hours worked.

40h=650-50

40h=600

h=600÷40

h=15