AMC 8 2009 Problem 2

On average, for every 4 sports cars sold at the local dealership, 7 sedans are sold. The dealership predicts that it will sell 28 sports cars next month. How many sedans does it expect to sell? $\textbf{(A)}\ 7 \textbf{(B)}\ 32 \textbf{(C)}\ 35 \textbf{(D)}\ 49 \textbf{(E)}\ 112$