I would say this would be the second one or maybe the last one , hope this helps !
Etiquette determine which behaviours are polite and impolite among players and team....
I think it's <span>1) self-regulation.</span>
The answer is 15 people.
Explanation
You have 45 people and a rate of 33%. 33% is equalivant to 1/3 so you divide 45 by 3 and get 15 people.