SOLUTION: How many football games are played if each of the nine football teams in a certain conference plays each of the other teams in that conference once?Please help me solve this questi
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Question 935853: How many football games are played if each of the nine football teams in a certain conference plays each of the other teams in that conference once?Please help me solve this question. Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! How many football games are played if each of the nine football teams in a certain conference plays each of the other teams in that conference once?Please help me solve this question.
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Number the teams 1,2,3...9
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1 plays the other 8 teams:: 8 games
2 plays the other 7 teams:: 7 games
3 plays the other 6 teams:: 6 games
etc.
8 plays the 9th team::::::: 1 game
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Ans::: 8+7+6+...+3+2+1 = 9*4 = 36 games
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Cheers,
Stan H.
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