Question
A library has a certain number of books. In March, the library bought 304 new books and 274 books were loaned out. In April, the library lost 335 books and loaned out 185 books, after which 4320 books were left. How many books were there in the library in the beginning of March?
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A library has a certain number of books. In March, the library bought 304 new books and 274 books were loaned out. In April, the library lost 335 books and loaned out 185 books, after which 4320 books were left. How many books were there in the library in the beginning of March?