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Combination permutation
Ash and Bradley don't like each other so they don't like sitting with each other. There are two circular tables, one with 4 people and one with 8 people. How many combinations ate there?
7!*3!-(2!*7!)-(6!*3!) =15840
I'm not sure how they got this answer
3 years ago

Answers

oobleck
See Bosnian's answer to sarah, a few posts below this one.
3 years ago

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