math

How many games are played in a women's soccer conference if there are eight teams and all teams play each other twice?

I figured 8x7x2=112 since this is 8 teams and 7 opponents per team and playing twice am i right?

asked by m
  1. lets try it manually with four teams, ABCS

    AB
    AD
    AC
    BD
    BC
    CD

    So your method doesnt work for four teams.

    NOW consider if it were 4*3/2=6 That works. So is the answer now 8*7/2

    Hint: one divides by two because AB is the same as BA.

    posted by bobpursley

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