Drey makes $10 an hour plus $15 an hour for every hour of overtime. overtime hours are any hours more than 40 hours for the week.

do the following:

part a: create an equation that shows the amount of wages earned, w, for working x hours in a week when there is no overtime.
part b: create an equation that shows the amount of wages earned, s, for working y hours of overtime. hint: remember to include in the equation the amount earned from working 40 hours.
part c: drey earned $490 in 1 week. how many hours (regular plus overtime) did he work?