There are 12 teams and each plays each other once, how many games are there?

I am not sure how to answer this question- Twelve teams must play each other once, how many games are there?
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2 Answers

11.00000002
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the answer is 6 games

2 +2+2+2+2+2+  = to 6 games


angryangel+sadsmiley+cooldevil+winklaugh+cheekyblush+cryingsurprise= 6 GAMES  heartheartheartheartheartheart

heart =GAME

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