Assume that you want to pay for an item that costs 1.23 euros. You have a mixture of coins of the following types: 1 euro cent, 10 euro cents, 20 euro cents, and 1 euro. To make the problem more interesting, assume that you have only 5 coins of 1 euro cent. You want to identify all possible solutions to this problem--all possible combinations of coins that will add up to 1.23 euros.

Write a natural language description of this problem. Answer these questions: