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anonymous

  • 5 years ago

A farmer has 3 children and a herd of 30 cows. He gives 15 cows to his oldest child and 5 cows to his youngest child. Find the number os ways the farmer can split up his herd

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  1. anonymous
    • 5 years ago
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    it's permutations and combinations we are on

  2. watchmath
    • 5 years ago
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    \({30 \choose 15}{15 \choose 5}=\frac{30!}{15!15!}\frac{15!}{10!5!}\)

  3. anonymous
    • 5 years ago
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    thanks so much

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