Question
A library has a certain number of books. In October, the library bought 323 new books and 265 books were loaned out. In November, the library lost 360 books and loaned out 222 books, after which 3280 books were left. How many books were there in the library in the beginning of October?
4 m

Click button first when a symbol is required. X

A library has a certain number of books. In October, the library bought 323 new books and 265 books were loaned out. In November, the library lost 360 books and loaned out 222 books, after which 3280 books were left. How many books were there in the library in the beginning of October?