Question 480542
9th grade students = 140
9th graders went to basketball game = 140*(3/5)
9th graders went to basketball game = (140*3)/5
9th graders went to basketball game = 420/5
9th graders went to basketball game = 84
10th  grade students = 140
10th graders went to basketball game = 140*(3/4)
10th graders went to basketball game = (140*3)/4)
10th graders went to basketball game = 420/4
10th graders went to basketball game = 105
Total number of 10th graders than 9th graders went to the game = (10th graders went to basketball game) – (9th graders went to basketball game)
Total number of 10th graders than 9th graders went to the game = 105-84
Total number of 10th graders than 9th graders went to the game  = 21

21 more 10th graders than 9th graders went to the game.