Question

ln a class 42 student the number of boys 2/5to the girls. find the number of boys and girls in class​

Answer 1

There are 42 students.

Let the number of girls be x

The number of boys be 2/5x

ATP

x+2x/5 = 42

= 5x+2x/5 = 42

= 7x/5 = 42

= x = 42×5/7

= x = 30

Number of boys = 2/5×30

= 12

Number of girls = 30