Math, asked by thfkz5777, 1 year ago

In a class of 56 students the number of boys is 2 by fifth of a number of girls find the number of boys and girls

Answers

Answered by vijaya2002
2

no.of girls=x

no.of boys=2x/5

total=2x/5 +x=56

= 7x/5=56

=7x=280

x=280/7

x=40

no.of girls=40

no.of boys =56-40=16

Answered by dori740
2
let the no. of girls be x

no.of boys is 2/5 of x = 2/5x

b.t.p

x+2/5x = 56
5x+2x/5=56
7x+5=56
7x=56×5
7x=280
x=280/7
x=40.
'no. of girls=40
no. of boys=(56-40)
=16(ans)
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