Mrs. Monk is wrapping presents . If a roll and a half wraps 5 gifts, if there are 9 same sized presents, how many rolls of paper are needed?
5 gifts take 1.5 rollos
1 gift takes 1.5/5 rolls
9 gifts take 9(1.5/5) rolls or 2.7 rolls
or
9/5 = x/1.5
x = 1.5(9/5) = 2.7