Math
posted by Therese .
If you have one $50 bill, one $20 bill, one $10 bill and one $100 bill, how many possible sums of money consisting of three bills each, can be formed?

50, 20, 10 = 80
50, 20, 100 = 170
50, 10, 100 = 160
20, 10, 100 = 130
so 4 sums, correct me if i am wrong