# math

BOOKS A library contains 2000 books. There are 3 times as many non-fiction books as fiction books. Write and solve a system of equations to determine the number of non-fiction and fiction books.

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1. let x = fiction books.

3x + x = 2000

Solve for x then 3x.

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2. 4x=2000
x=500 fiction books
y=1500 non-fiction book

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