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Mathematics 18 Online
OpenStudy (anonymous):

Five friends met at a party, each friend hugged each of the other friends just once. How many hugs were exchanged?

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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