there are 15 teams in the hockey league , and each team faces all the other teams 10 times each . how many games are played in the season ?
"the number of ways to choose two teams is 15 c 2 = 15 * 14 / 2 = 105 the total number of games in the season is 10 * 105 = 1050 . the answer is e ."
divide(multiply(multiply(15, subtract(15, const_1)), 10), const_2)