Question

How many hours would someone who earns $6.75 per hour have to work to earn $104.63? 111.38 97.88 15.5 6.45

Answer 1

You would have to work 15 and a half hours.
To get to that answer you must multiply $6.75 by each number until the product reaches $104.63

Answer 2

This question is solving the amount of hours it takes to earn a certain amount of money, at one rate per hour.  So to solve this, divide the amount of money needed by the amount earned per hour, to find the number of hours it would take to earn that amount of money:
104.63/6.75=15.5 hours (answer is rounded)

15 hours and 30 minutes