Question

In a class, the the ratio of the number of boys and girls is 9:5. Find the number of boys if the total number of students in the class is 42.​

Answer 1

Answer:

let the coefficient be x.

No. of boys = 9x

No. of girls = 5x

As per the question,

9x + 5x = 42

=> 14x = 42

=> x = 3.

So, Number of boys = 9*3 = 27.

Answer 2

Answer:

Boys Be 9x

girls be 5x

Total students = 9x+5x=42

14x=42

x=42/14

x=3

Boys=9×3=27

Girls=5×3=15

Thank you hope it helps you