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6 April, 16:40

How many ways are there to divide 4 men and 4 women into two groups of size 4 each?

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  1. 6 April, 18:28
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    You have 8 people, you have 2 groups of 4.

    8!/4!4!

    = (8*7*6*5*4*3*2) / (4*3*2*4*3*2)

    = (8*7*6*5) / (4*3*2)

    =7*6*5/3

    =7*2*5

    =70

    It's been a few years since I've done this. If you haven't learned how to do this type of an equation yet, then I'm probably wrong.
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