- List all the different ways you can make change in this problem. How many are there?
- What is the least number of coins you need to find this change?
- What is the most number of coins you can use to find this change if you have a limit of 9 of any particular coin?
- Why can you use only 8 pennies or 3 pennies? (Why not 9, 7, 6, 5, 4, 2, 1, or 0?)
Use a spreadsheet to help you.