Question

For a school fundraiser, Ayana needs to sell 40 rolls of wrapping paper. So far, she has sold 7 rolls to her grandmother, 2 rolls to her uncle, and 9 rolls to a neighbor. How many more rolls of wrapping paper does Ayana need to sell?

Answer 1

22 more rolls

Explanation:

if she needs to sell 40 and she has sold 9+7+2=18 than you subtract 18 from 40 getting 22 more rolls

Answer 2

22?

Explanation:

Just take 40 and subtract the 7 to get 33 and then 2 to get 31 and 9 to get 22.