The numder of boys and girls in class are in a ratio 7:5 .The number of boys is 8 more than the no.Of girls .Find the total strenght of the class
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Let the common factor be x
No. of boys=7x
no. of girls= 5x
According to the given conditions:
7x=5x+8
2x=8
x=4
Thus, total strength=12x=12×4=48
dilip668:
correct answer
Answered by
1
let the number of boys=7x
number of girls = 5x
7x-5x=8
2x=8
x=8/2
x=4
numberbof boys=7x
=7× 4
=28
number of girls= 5x
=5×4
=20
total strength = 28 + 20
= 48
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