document.write( "Question 16178: Six strangers arrive at a business seminar and each person shakes hands with every other person. How many handshakes are there? \n" ); document.write( "
Algebra.Com's Answer #25693 by fractalier(6550)\"\" \"About 
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Each man shakes hands with 5 other men, for a total of 30 handshakes.
\n" ); document.write( "However, if man A shakes hands with man B, it is the same as B with A. Therefore we divide our total by two and get the answer...
\n" ); document.write( "15 handshakes
\n" ); document.write( "Another way is 5+4+3+2+1 = 15...
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