Amy was given an amount of money, m, for good grades on her report card. She spent $15.00 and now has $25.32. How much money did she get for good grades?

Which equation could you use to solve this problem, using m as your variable? answer choices is A.m + 25.32 = 15

b.m/25.32

c.m - 15 = 25.32

D.15m = 25.32