Question

In a class the girls 60% of the total number of students and the boys are 18 in number how many students are there in the class

Answer 1

let total students be x
percentage of girls: 60℅
no of boys : 18
40 percent of x = 18
40/100*x=18
x=18*100/40
=45
there are 45 students in the class

Answer 2

Given:

Total number of girls = 60%

Total number of boys = 18

To Find:

Total number of students in the class

Solution:

Let the total number of students in the class be = x.

Percentage of girls = 60%

Therefore,

Percentage of boys

= 100 - 60

= 40%

Now, 40% of x = 18

Thus,

40/100x = 18

x = 18 × 100/40

= 9 × 5

= 45

Answer: There are a total of 45 students in the class