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3 years ago

13

there are 5 people at a party. each person must shake hands once with every other person at the party. how many handshakes does

it take to do this?

1 answer:

Viefleur [7K]3 years ago

3 0

Here's why:

<span>Say the 5 people are A, B, C, D, E </span>

<span>A shakes hands w/ B C D E </span>
<span>B shakes w/ C D E </span>
<span>C with D E </span>
<span>D with E </span>

<span>That's 10</span>

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