2009 AMC 10A Problem 1

One can holds 12 ounces of soda, what is the minimum number of cans needed to provide a gallon (128 ounces) of soda?

\mathrm{(A)}\ 7 \qquad \mathrm{(B)}\ 8 \qquad \mathrm{(C)}\ 9 \qquad \mathrm{(D)}\ 10 \qquad \mathrm{(E)}\ 11

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