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The number of science and technology books in the school library is four times that of literature and art books, and there are 360 more science and technology books than literature and art books. How
The number of science and technology books in the school library is four times that of literature and art books, and there are 360 more science and technology books than literature and art books. How many books are there respectively? Solution: There are X literary books.

4x-x = 360°

3x=360

3x/3=360/3

x= 120

Science and technology book: 120*4=480 (Ben)

A: The school library has 120 literature and art books and 480 science and technology books.

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