please help

In a class library, 3 out of 4 books are non-fiction. The rest are fiction. How many non-fiction books could there be? How many fiction books? How many different answers can you find for part a? Which answers are reasonable? Explain.

thank you

2 answers

probably only a hundred books or so, and 100/4 = 25
So, a reasonable breakdown would be
3/4 = 75/100 non-fiction
In a class library 3 out of 7 books are nonfiction.

How many nonfiction books could there be?

How many fiction books could there be?