Question

In a school the ratio of the number of boys to girls is 3:5. Find the percentage of boys of total students.

Answer 1

let the number of boys be 3x.
number of girls be 5x .

total no. of students = 3x + 5x = 8x .
percentage of boys of total no. of students =
3x/8x ×100
= 75/2 %
= 37.5 %