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25 October, 12:11

A box of colored crayons contains 9 distinct colors. In how many ways can 2 colors be chosen, assuming that the order of the colors chosen that doesnt matter?

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  1. 25 October, 13:21
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    36

    Step-by-step explanation:

    We can use combinations

    9 choose 2 =

    9! / (7!*2!) = (9*8) / 2 = 36
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