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Ten people meet and everyone shakes hands exactly once with everyone else. What is the total number of handshakes
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Ten people meet and everyone shakes hands exactly once with everyone else. What is the total number of handshakes

User CountZero
by
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2 Answers

4 votes
10 people
so each person shakes hands with 9 person.

9 x 10 = 90 handshakes altogether
User Guigouz
by
8.4k points
2 votes

Each person shakes hands with 9 people.

There are 10 people.

10 x 9 = 90

Answer: 90 handshakes

User JakobFerdinand
by
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User JamesT
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consider a group of 20 people. if everone shakes hands with everyone else, how many handshakes take place?
JamesT asked Apr 16, 2024
by JamesT
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