Guest Posted April 9, 2010 Report Share Posted April 9, 2010 Fourty college guys went to a conference to get to know each other better. Each guy shook his hand with the other 39. A newspaper reporter was nearby and needed to know how many handshakes took place...... Can you help him??? Quote Link to comment Share on other sites More sharing options...
0 peace*out Posted April 9, 2010 Report Share Posted April 9, 2010 Fourty college guys went to a conference to get to know each other better. Each guy shook his hand with the other 39. A newspaper reporter was nearby and needed to know how many handshakes took place...... Can you help him??? its 39*38*37*36... all they way down to ...*1 anyone care ot do the math?? Quote Link to comment Share on other sites More sharing options...
0 Guest Posted April 9, 2010 Report Share Posted April 9, 2010 its 39*38*37*36... all they way down to ...*1 anyone care ot do the math?? I think its supoosed to be plus not multiply. Quote Link to comment Share on other sites More sharing options...
0 Guest Posted April 9, 2010 Report Share Posted April 9, 2010 If each person shook hand with every other people i.e. 40*39=1560. If each person shook hand with only the ones that they have not shake then it's 39+38+37+....+1=780 Quote Link to comment Share on other sites More sharing options...
0 Guest Posted April 9, 2010 Report Share Posted April 9, 2010 Its the same thing........ Your second answer is correct...... Quote Link to comment Share on other sites More sharing options...
0 peace*out Posted April 9, 2010 Report Share Posted April 9, 2010 I think its supoosed to be plus not multiply. i meant that...oops! Quote Link to comment Share on other sites More sharing options...
0 Guest Posted April 9, 2010 Report Share Posted April 9, 2010 probably a bit late on this one - but the answer is 780: x*(x-1) 2 Quote Link to comment Share on other sites More sharing options...
0 Guest Posted April 10, 2010 Report Share Posted April 10, 2010 780 ahhh, arithmetic, a nice break from trig Quote Link to comment Share on other sites More sharing options...
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Fourty college guys went to a conference to get to know each other better. Each guy shook his hand with the other 39. A newspaper reporter was nearby and needed to know how many handshakes took place...... Can you help him???
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