In the library

The library at Lenape Elementary School has 2/5 as many fiction books as 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 f+n=56  5f2n=0 f+n=56  Row251 Row1Row2 5f2n=0 1.4n=56  n=1.456=40 f=50+2n=50+2 40=16  f=16 n=40

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