SOLUTION: A school had a basketball tournament. The different teams played against each other once. If there were 9 games in all, how many teams joined the tournament?

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Question 1187726: A school had a basketball tournament. The different teams played against each other once. If there were 9 games in all, how many teams joined the tournament?
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
A school had a basketball tournament. The different teams played against each other once.
If there were 9 games in all, how many teams joined the tournament?
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The post describes the situation which NEVER may happen.

As worded, printed and presented, the problem has no solution.