Question

Micheal earns $87 for 15 hours of part time work. How long must he work to earn $135

Answer 1

23.28 hours

Explanation:

He earns 5.8 per hour of part-time work. You can find this by doing 87/15
Because we now know that he earns 5.8 per hour we can just do 135/5.8 (23.28) < this is rounding to the nearest hundreth