the no of boys and girls in a class is in the ratio 7:5. the no of boys is 8 more than that of girls. what is the total strength of the class
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ratio of boys and girls = 7:5
let number of boys =7x
number of girls =5x
no of boys = no of girls +8
7x= 5x+8
7x-5x=8
2x=8
x=8/2
x= 4
therefore
no of boys = 7x= 7*4=28
no of girls =5x= 5*4=20
let number of boys =7x
number of girls =5x
no of boys = no of girls +8
7x= 5x+8
7x-5x=8
2x=8
x=8/2
x= 4
therefore
no of boys = 7x= 7*4=28
no of girls =5x= 5*4=20
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