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Anuta_ua [19.1K]
3 years ago
9

The ratio of male to female students in a junior high

Mathematics
1 answer:
nalin [4]3 years ago
8 0

the total no of population=1650

13:17 first add the two numbers 13+17=30

then 13/30×y =715 , i make 13 at the numerator because it's males ratio

after that 30/13×13/30y =715 ×30/13

y =715×30/13

y =1650

after u find the total no it's simple to find the no of females

17/30×1650=935

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