SOLUTION: In a sports league of n teams in which each team plays every other team twice, the total number N of games to be played is given by the equation shown below. Show all your work ple

Question 1044386: In a sports league of n teams in which each team plays every other team twice, the total number N of games to be played is given by the equation shown below. Show all your work please.

N=n^2-n

What is the total number of games to be played in a football league having 21 teams?
Found 2 solutions by jorel555, MathLover1:
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
If there are 21 teams, then:
N=21�-21=20x21=420 games. ☺☺☺☺
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

What is the total number of games to be played in a football league having teams?

.......the total number of games
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