2014 AMC 10B Problem 8

A truck travels \frac{b}{6} feet every t seconds. There are 3 feet in a yard. How many yards does the truck travel in 3 minutes?

\textbf {(A) } \frac{b}{1080t} \qquad \textbf {(B) } \frac{30t}{b} \qquad \textbf {(C) } \frac{30b}{t}\qquad \textbf {(D) } \frac{10t}{b} \qquad \textbf {(E) } \frac{10b}{t}

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