Haywooha Haywooha

20-03-2015
Mathematics

contestada

12 people have entered a chess tournament. Each person is scheduled to lay every other person once. How many games are scheduled for the tournament?

Respuesta :

20-03-2015

12 * 12 equals 144. Each person plays every other person.

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sugarmate sugarmate

20-03-2015

(12 * 11)/2 = 66 games

C(12,2) --> combination of 12 taken 2 at a time = 66

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