Question

please answer to question no.74

Answer 1

total children=48
let no. of boys be x and y be girls
so, x=3y
and x+y=48
x=48-y

put x=48-y
48-y=3y
48=3y+y
48=4y
y=12

x=3y
x=3*12=36

no. of boys 36 and no. of girls 12

hope it helps!!

Answer 2

total children=48
girls=x
so ,boy =3x

x+3x=48
4x=48
x=12

girls=12
and boy =3×12 = 36

I hope it help you