Question

There are seven softball teams in a league. Each team plays each of the other teams twice. What is the total number of games played?

Answer 1

(6+5+4+3+2+1)*2

Answer 2

got it?

Answer 3

hold on

Answer 4

thanks!

Answer 5

welcomx

Answer 6

Another way to do this is to use a "permutation"\[_{7}P_{2}=\frac{7!}{(7-2)!}=42\]Same answer as @sauravshakya