Question

NV library at the nape elementary school there are two fifth as many fiction books as there are nonfiction books there are 56 books in the school library how many books are fiction books

Answer 1

`\begin{gathered} \text{Let y represent the number of of non fiction books in the library} \\ \text{The number of fiction books = }(2)/(5)y \\ \text{Total books = 56} \\ y\text{ + }(2y)/(5)\text{ = 56} \\ \text{ multiply through by 5} \\ 5y+2y=280 \\ 7y=280 \\ y=(280)/(7) \\ y=40 \end{gathered}`

Number of fiction books = 2/5 x 40 = 16 books