1998 Pascal Problem 13

A three-wheeled vehicle travels 100 km. Two spare wheels are available. Each of the five wheels is used for the same distance during the trip. For how many kilometres is each wheel used?

\textbf{(A)}\ 20\quad \textbf{(B)}\ 25\quad \textbf{(C)}\ 33\frac{1}{3}\quad \textbf{(D)}\ 50\quad \textbf{(E)}\ 60

If there are no answer choices shown, enter a numerical answer.

Full credit to this problem is given to the CEMC, you may view all Pascal contests here.