2017 AMC 12A Problem 1

Pablo buys popsicles for his friends. The store sells single popsicles for 1 each, 3-popsicle boxes for 2, and 5-popsicle boxes for 3. What is the greatest number of popsicles that Pablo can buy with 8?

\textbf{(A)}\ 8\qquad\textbf{(B)}\ 11\qquad\textbf{(C)}\ 12\qquad\textbf{(D)}\ 13\qquad\textbf{(E)}\ 15

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