Question

Tara bought 30 books yard sale. She now has 220 books. Which equation can be solved to find b the number of books Tara had before the yard sale?

Answer 1

Tara had `190` books before she bought the books at the yard sale.

Explanation:

`"220 books"-"30 books"="190 books"`

Tara had `190` books before she bought the books at the yard sale.