Question

1) Joan has 24 books in her library. She bought several books at a yard sale

over the weekend. She now has 53 books in her library. How many books
did she buy at the yard sale ?

Answer 1

Let "x" be the number of books that Joan bought at the yard sale

24+x=53

x=29

Joan bought 29 books at the yard sale.

Let me know if this helps!

Answer 2

Explanation:

53-24=29 books purchased