Question

Suppose you spend $23 and you pay with a $50 bill. The cashier gives you your change in bills. List all the different ways you can receive your correct change if you will not take more than 10 bills and the cashier only had 1s, 5s, and 10s.

Answer 1

2-10s 1-5 2-1s or 3-5s 1-10 2-1