Answer:
72
Step-by-step explanation:
multiply 18 by 4,
since 100/4 is 25, and four quarters makes a dollar, multiply it by 4
18(4) = 72
You cannot have infinite solutions.
9 x 0.55 = 4.95, which can be rounded to the ones place.
5 books remain.
Oh ok cool, thanks for the extra points though
