2004 AMC 8 Problem 6

After Sally takes 20 shots, she has made 55\% of her shots. After she takes 5 more shots, she raises her percentage to 56\%. How many of the last 5 shots did she make?

\textbf{(A)}\ 1\qquad\textbf{(B)}\ 2\qquad\textbf{(C)}\ 3\qquad\textbf{(D)}\ 4\qquad\textbf{(E)}\ 5

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