Henry Ernest Dudeney/Puzzles and Curious Problems/22 - The War Horse/Solution

by : $22$

 * The War Horse

Solution

 * $\pounds 14, 6 \shillings 8 \oldpence$

Proof
Let $L$ be the loss made on the warhorse in pounds.

Let $K$ be the cost of the upkeep of the warhorse in pounds.

Then we have:

Converting the result into pounds and shillings reveals the solution.