Sky puzzle math problem The number of students in class 6 (1) ranges from 50 to 70. The ratio of boys to girls is 9:7. How many students are there in class 6 (1)?

Sky puzzle math problem The number of students in class 6 (1) ranges from 50 to 70. The ratio of boys to girls is 9:7. How many students are there in class 6 (1)?

If the ratio of male to female is 9:7, the number can only be a multiple of 9 + 7 = 16
Only 64 fits the question