I went to the store to buy a large candy bar for 59 cents.  I gave the cashier a dollar bill and she
handed me four coins.
What were the coins? _________________________________________________________

What if she gave me my change using 5 coins? Is it possible? ________
If so, what were the coins?______________________________________________________

Is it possible to use 6 coins for my change?________
If so, what were the coins?______________________________________________________