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January 30, 2015

January 30, 2015

Posted by **Tori** on Sunday, May 1, 2011 at 11:11am.

- MAth -
**MathMate**, Sunday, May 1, 2011 at 11:24amEach of the 14 student shakes hands with the 13 remaining students for a total of 13*14 times. However, each handshake was counted twice, once from each student, so the above count has to be divided by 2 to get:

13*14/2=91 handshakes.

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