akanksha21302 akanksha21302

03-08-2017
Mathematics

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A round-robin tournament has 66 pairings. How many teams are in the tournament?

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dpokharnaotzjgn dpokharnaotzjgn

03-08-2017

11 teams because [tex]\frac{x(x+1)}{2}=66 [/tex] where we find x to be 11.

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angelliu11 angelliu11

03-08-2017

I got 11 teams.

I hope this helps.

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