SOLUTION: In a sports team in N teams in which each team plays every other team twice, the total number of N games to be played is given by the equation below. N=n^2-n What is the tota

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: In a sports team in N teams in which each team plays every other team twice, the total number of N games to be played is given by the equation below. N=n^2-n What is the tota      Log On


   



Question 1019299: In a sports team in N teams in which each team plays every other team twice, the total number of N games to be played is given by the equation below.
N=n^2-n
What is the total number of games to be played in a football league having 15 teams?

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
You use the formula they give you...
N = n^2 - n
In this problem, n = 15, so that
N = 15^2 - 15 = 225 - 15 = 210 games