Question

A painter earns $15 per hour.What is the minimum number of hours he must work to earn at least $200?

Answer 1

Let's represent h with the number of hours:

15h ≥ 200

h ≥ 200/15

h ≥ 40/3

h ≥ 13 1/3

He has to work at least 13 1/3 hours.