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How Many Handshakes?. by D. Fisher. Handshakes for each Person. Total Number of Handshakes. Number of People. How many handshakes for 2 people?. 1. How many handshakes for 3 people?. How many handshakes for 3 people?. 3. How many handshakes for 4 people?.

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## How Many Handshakes?

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**How Many Handshakes?**by D. Fisher**Handshakes for each Person**Total Number of Handshakes Number of People**How many handshakes for n people?**Find the formula.**Handshakes for each**People Total 1 1 2 3 2 3 4 3 6 5 4 10 6 5 15 7 6 21 8 7 28 n(n-1) n (n-1) 2

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