Ellen works at a job that pays $11.25 per hour. She spends an average of $20.00 a week at the local store. Which expression below represents how much money Ellen has after x hours of working and y weeks of shopping at the local store?

A.
11.25y ‒ 20x

B.
20y ‒ 11.25x

C.
20x ‒ 11.25y

D.
11.25x ‒ 20y