Ms. Rathman has 5 nickels, 3 dimes, and 2 quarter. In how many ways can she make change for 50¢?
N D Q
1 = 5 0 1 2 = 3 1 1 3 = 1 2 1 4 = 0 0 2
You can make change for 50 cents in 4 different ways.