# A library contains 2000 books. There are 3 times as many non-fiction as fiction books. How do you write and solve a system of equations to determine the number fiction books and non fiction books?

##### 1 Answer

Dec 24, 2016

#### Answer:

#### Explanation:

We begin by saying that fiction(

Now we just use substitution to solve. If

Now we plug

To double check our work,