2009 AMC 10B Problem 5

Twenty percent less than 60 is one-third more than what number?

\text{(A) } 16 \qquad \text{(B) } 30 \qquad \text{(C) } 32 \qquad \text{(D) } 36 \qquad \text{(E) } 48

Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.