The ratio of the number of boys to the number of girls in a class is 9:7. If there are 96 students in the class, how many girls are there?
Show answer & explanation
Correct answer: A
Explanation
Boys : Girls = 9 : 7
Total ratio = 9 + 7 = 16
1 unit = 96 / 16 = 6
Number of girls = 7 × 6 = 42