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Math Help - Vending machine problem

  1. #1
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    Joined
    Dec 2008
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    7

    Vending machine problem

    Hey guys here's my problem:
    A vending machine takes 10, 20 and 50 cent coins only.
    In how many ways can we put n cents in the machine provided that n is a multiple of 10(i.e. n =10*k, where k\geq0)
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  2. #2
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    Joined
    Dec 2008
    Posts
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    Sorry for the bump here, but I was also wondering how i could relate this problem to the Coin Problem:
    Coin Problem -- from Wolfram MathWorld
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