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The ratio of male to female students in a junior high

school is 13:17. Find the total population of the
school if there are 715 male students.


plsss.......answer ​

User LJKS
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1 Answer

4 votes

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

User Mesco
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