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if there are 6 people at a party. if each person must shake hands with every other person at the party exactly once, how many handshakes will there be?
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if there are 6 people at a party. if each person must shake hands with every other person at the party exactly once, how many handshakes will there be?

User Robert Hijmans
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2 votes
one person will exactly shake five hands
User Rje
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