SOLUTION: you are in a roomful of 35 students people every one is asked to shake hands with everyone how many handshakes will there be

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Question 382544: you are in a roomful of 35 students people every one is asked to shake hands with everyone how many handshakes will there be

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
all 35 people will shake hands with the 34 other people in the room
___ BUT ___ Jim shaking with Sue is the same as Sue shaking with Jim

so ___ 35 * 34 * (1/2)