Question

in a class of 60 students the number of girls is one third the mumber of boys , find the number of girls and boys in the class

Answer 1

Answer:

et there be x number of boys.

The number of girls is one third the number of boys

Thus number of girls are x/3

Totsl students in the class are 60 students

x + x/3 = 60

(3x + x)/3 = 60

4x/3 = 60

Cross multiplication

4x = 180

x = 180/4

x = 45

There are 45 number of boys in the class

The number of girls = 60 - 45 = 15 girls.

Step-by-step explanation:

Answer 2

Answer:

let the number of boys be x

then number of girls be 1/3x

A.T.Q

x + 1/3 x =60

3x + x/3 = 60

by crossmultiplication

4x= 180

x=180/4

x=45

number of boys = x = 45

number of girls = 1/3 x = 45/3 =15