In the library

In the library at Lenape Elementary School, there are 2/5 as many fiction books as there are nonfiction books. There are 56 books in the school library. How many books are fiction books?

Correct answer:

f =  16

Step-by-step explanation:

f:n=2:5 f+n=56  f=2/5 n=16 f+n=56  5f2n=0 f+n=56  f=16 n=40

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