The ratio of boys to girls is 9:11. If total students are 80, number of girls is:
- 36
- 40
- 44
- 48
Explanation
Ratio boys : girls = 9 : 11
Total students = 80
Total parts = 9 + 11 = 20
Each part = 80 ÷ 20 = 4
Girls = 11 parts:
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