Martha hired a taxi from her work place. The fare is fixed for $\$5.00$ for 5 miles and a charge of $\$2.50$ is added for every extra mile. Martha traveled a distance of 9 miles on Monday and 8 miles on Tuesday. How much did she pay on the whole ?

Question

$\begin{array}{1 1} (a)\; \$ 65 \\ (b)\; \$ 67 \\ (c)\; \$ 67.50 \\ (d)\; \$ 68 \end{array}$