So we need to find 87.5% of 32 then subtract from 32 to find how many we have left. In math
"is" means equals (=)
"of" means times ()
87.5% of 32 is ....
87.5% 32 =
.875 * 32 =
28
So she finished 28 problems before dinner. Now she has
32 - 28 = 4 left
