SOLUTION: A vending machine accepts any combination of nickels, dimes, and quarters equaling 50 cents. How many combinations of coins are possible?

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Question 414430: A vending machine accepts any combination of nickels, dimes, and quarters equaling 50 cents. How many combinations of coins are possible?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
1) 2Q
2) 1Q 2D 1N
3) 1Q 1D 3N
4) 1Q 5N
5) 5D
6) 4D 2N
7) 3D 4N
8) 2D 6N
9) 1D 8N
10) 10N