SOLUTION: In a group of n>=5 people seated at a round table, how many ways can we choose 3 people so that no two are sitting next to each other?

SOLUTION: In a group of n>=5 people seated at a round table, how many ways can we choose 3 people so that no two are sitting next to each other?

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Question 740767: In a group of n>=5 people seated at a round table, how many ways can we choose 3 people so that no two are sitting next to each other?
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!

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