15 fiction, so 20-15 = 5 non-fiction
That makes the desired ratio 5:15 = 1:3
A library checked out 20 books on Tuesday. If 15 of the books were fiction, find the ratio of non-fiction books to fiction books checked out
3 answers
APainter places an 11m ladder against a house. The base of the ladder is 3m from the house . How high on the house does the ladder reacher?
h^2 + 3^2 = 11^2