Question

In a school; 4 by 5 of the children are boys. If the number of girls is 200, find the number of boys

Answer 1

let total no of students=x
(4x)/5=no.of boys
(1x)/5=no.of girls
no. of girls=200
(1x)/5=200
1x=200×5=1000
x=1000
no.of boys=(4x)/5
=4(1000)/5
=4000/5
=800