SOLUTION: A library has 6 books abut u are only allowed to check out 4 at a time how many diffrent combinations of books can u have

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Question 180551: A library has 6 books abut u are only allowed to check out 4 at a time how many diffrent combinations of books can u have
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
6C4 = 6C2 = 6*5/1*2 = 15
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Cheers,
Stan H.