Henry Ernest Dudeney/Modern Puzzles/19 - Market Transactions

by : $19$

 * Market Transactions
 * A farmer goes to market and buys $100$ animals at a total cost of $\pounds 100$.
 * The price of cows being $\pounds 5$ each,
 * sheep $\pounds 1$ each,
 * and rabbits $1 \shillings$ each,
 * how many of each kind does he buy?


 * Most people will solve this, if they succeed at all, by more or less laborious trial,
 * but there are several direct ways of getting the solution.