Question 400333
How many different sums of money can be made from a set of coins consisting of a penny, a nickel, a dime, a quarter, a half-dollar, and a silver dollar if exactly 4 coins are used for each sum? 

-----------------------
6C4 = 6C2 = 15
---
There are 15 different combinations of 4 coins.
--------
cheers,
Stan H.
-----------