Question

2) Mary has thirty-two books and thirty-six magazines in her library. She bought several books at a

yard sale over the weekend. She now has eighty-nine books in her library. How many books did she buy
at the yard sale?

Answer 1

21

Explanation:

32+36=68

89-68=21

Mary Bought 21 books over the weekend at the yard sale.

Answer 2

she bought 57 books at the yard sale