SOLUTION: Suppose five tennis players have made the finals. If each of the five players is to play every other player exactly once, how many games must be scheduled?

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Question 685643: Suppose five tennis players have made the finals. If each of the five players is to play every other player exactly once, how many games must be scheduled?
Answer by stanbon(75887) About Me  (Show Source):
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Suppose five tennis players have made the finals. If each of the five players is to play every other player exactly once, how many games must be scheduled?
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Ans: 4 + 3 + 2 + 1 = 10
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Or
Ans: # of unique pairings = 5C2 = (5*4)/(1*2) = 10
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Cheers,
Stan H.