document.write( "Question 1099187: Ten persons gather for a meeting. Before the meeting begins, each person shakes hands with every other person exactly once. How many handshakes are there altogether?
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Algebra.Com's Answer #713605 by jorel1380(3719) $\"\"$ $\"About$

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10x9/2=45
\n" ); document.write( "10 people have to shake hands with 9 other people; but since one handshake takes two people, then A shaking hands with B is the same as B shaking hands with A. So, you take the total number of handshakes and divide by 2 to get the amount of handshakes that actually take place.
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