Henry Ernest Dudeney/Puzzles and Curious Problems/226 - The Circulating Motor-Car

by : $226$

 * The Circulating Motor-Car
 * A car was running on a circular track such that the outside wheels were going twice as fast as the inside ones.
 * What was the length of the circumference described by the outer wheels?
 * The wheels were $5$ feet apart at the axle-tree.