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