Henry Ernest Dudeney/Puzzles and Curious Problems/81 - An Irish Jaunt/Solution

by : $81$

 * An Irish Jaunt

Solution

 * $10$ miles.

Proof
Let $d_1$ and $d_2$ miles be the distances from Boghooley to Pigtown and from Pigtown to Ballyfoyne respectively.

Let $v$ miles per hour be the speed of transport.

We have: