there are 6 shelves of books with 22 books on each shelf in one section of a bookstore. in the morning the store sold 28 books. in the evening they sold 14 books. how many books were left in the section at closing?
Starting Number -Number sold = Number left ....so....
[22 * 6] - 28 - 14 =
132 - 42 =
90 left
