The number of male students in class 61 is equal to that in class 62. The number of male students in class 61 accounts for 50% of the total number of students in the class, and the number of male students in class 62 accounts for 60% of the total number of students in the class
More than one class
The number of boys in two classes is 3x
3x / 0.5 = 6x for class 1
6 = 5x