There are 30 people at a meeting, They each shake hands with everyone. How many

handshakes were there? Hint: Think "The number of combinations of 30 people at a

meeting giving handshakes to each other 2 at a time."

Question

Hill

20 February, 11:35

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Ashlee Rush · Answer 1

60 both hand or 30 if only one hand

There are 30 people at a meeting, They each shake hands with everyone. How manyhandshakes were there? Hint: Think "The number of combinations of 30 people at ameeting giving handshakes to each other 2 at a time."