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OpenStudy (anonymous):
Five friends met at a party, each friend hugged each of the other friends just once. How many hugs were exchanged?
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OpenStudy (anonymous):
20
OpenStudy (anonymous):
solutions? I mean so I could get a better view at it?
OpenStudy (geometry_hater):
ok hold on a sec and ill draw it
OpenStudy (geometry_hater):
|dw:1323102186639:dw| It would look like that but F stands for the friend and since Friend 1 hugged friend 2 already he wouldnt hug him again
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