Posted by
**donna** on
.

At a party, there were 105 handshakes. If each person shook hands exactly once with every other person, how many people were at the party?

Thursday

March 30, 2017
Posted by
**donna** on
.

At a party, there were 105 handshakes. If each person shook hands exactly once with every other person, how many people were at the party?

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