How many hours did the repairman work in that week? *

Question

 A computer repairman charged $720 to come visit a business, plus $45 per hour of work. During one week he earned $1,800. How many hours did the repairman work in that week? *

21

24

39

40

Answer 1

720 + 45H = 1800

45H = 1800-720 = 1080

H = 1080/45 = 24 hours that week