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.

PART A ANSWER W=10X

PART B ANSWER S10+Y15

Part C: Drey earned $490 in 1 week. How many hours (regular plus overtime) did he work? (4 points)

I NEED PART C