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23-05-2020
Mathematics

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23-05-2020

Answer:

Number of people: 5

Number of handshakes: 10

Number of people: 6

Number of handshakes: 15

Number of people: 7

Number of handshakes: 21

Number of people: n

Number of handshakes: (n * (n-1))/2

Step-by-step explanation:

(n * (n-1))/2

Use the equation above to solve for # of handshakes

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