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5 November, 23:26

There are 4 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?

(Do not include units in your answer.)

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Answers (1)
  1. 6 November, 00:40
    0
    Answer: 6

    Step-by-step explanation: So there is 4 people and lets say I'm one of them, so I shake hands with 3 people, that's 3 handshakes, then one of those 3 people shake hands with the other 2, that's 5 handshakes, and then the last 2 shake hands with each other since they haven't, so that's 1 more which means 6 handshakes.

    Sorry if this is wrong.
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