How many hours would someone earns 7.50 per hour have to work to earn $116.25

Let h = amount of hours

Since they earn $7.50 per hour, we can multiply that by an unknown amount of hours to get $116.25. Let's solve:

Divide both sides by 7.5 to isolate the h, amount of hours.

Simplify.

In conclusion, someone would have to work 15.5 hours to earn $116.25 if they earn $7.50 per hour.

1/4 because there is 4 grades.