1) Benny has 13 books in his library. He bought several books at a yard sale over the weekend. He now has 67 books in his library. How many books did he buy at the yard sale?​

Respuesta :

Answer:

Omg

Step-by-step explanation:

Initially he has = 13 books
He bought several book.
Now he has = 67 books

book he bought from yard sale
= 67-13
=54