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13-07-2019
Mathematics

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Sally has 6 red flags, 4 green flags, and 2 white flags. How many 12-flag signals can she run up a flag pole?

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konrad509 konrad509

13-07-2019

[tex]\dfrac{12!}{6!4!2!}=\dfrac{7\cdot8\cdot9\cdot10\cdot11\cdot12}{2\cdot3\cdot4\cdot2}=13860[/tex]

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