Question

Best answer gets medal: Suppose you spend $23 and you pay with a $50 bill. The cashier gives 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 has 1s, 5s, and 10s. Show your work.

Answer 1

You should get $ 27 change back...
10 + 10 + 5 + 1 + 1
10 + 5 + 5 + 5 + 1 + 1
5 + 5 + 5 + 5 + 5 + 1 + 1
10 + 10 + 1 + 1 + 1 + 1 + 1 + 1 + 1
10 + 5 + 5 + 1 + 1 + 1 + 1 + 1 + 1 + 1
Can you think of any more ways ?

Answer 2

1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1

Answer 3

5+5+5+5+5+1+1

Answer 4

can't be over ten bills. Thats all I could think of :)