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24-08-2017
Mathematics

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How many different sums can be made with a penny nickel dime quarter?

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apologiabiology apologiabiology

24-08-2017

1 coin is 4 ways
2 coins is 4*3 ways
3 coins is 4*3*2 ways
4 coins is 4*3*2*1 ways

so total is 4+12+24+24=64 sums

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