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January 27, 2015

January 27, 2015

Posted by **m** on Tuesday, November 30, 2010 at 9:55am.

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

- math -
**bobpursley**, Tuesday, November 30, 2010 at 9:58amlets 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.

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