Assuming that at least one coin is used, find the number of different sums of the money that can be made from 2 pennies, 2 dimes and 3 quarters.
- Im not sure how to use Perms and Combs to solve this, all I have is logic which says-
1 coin: 3 possibltities- 1 penny, 1 quarter, 1 dime
2 coins: 6 possiblities- 1 Penny+ 1 Quarter, 1 Penny + 1 Dime, 1 Quarter + 1 Dime, 2 Pennies, 2 Quarters, 2 Dimes
3 coins: ....