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If n=4 then N=16-4=12 games, according to the formula.
by Top Rated User (1.1m points)
the formula N=n2-n comes from the N=n(n-1) and gives the number of matches played.

So according the formula N=n(n-1) we get N = 4(4-1) = 4 x 3 = 12 games.

N represents the total games and n represents the number of teams.
by Level 5 User (13.1k points)
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