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Jessica has thirty-one books in her library. She bought several books at a
yard sale over the weekend. She now has ninety - nine books in her library.
How many books did she buy at the yard sale ? |

Respuesta :

vaultsuits

Answer: She bought 68 books.

Step-by-step explanation:

Subtract 31 from 99 to find the difference! The difference tells us how many books she bought at the yard sale.

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