Question

In a class,45% of the student are boys and there are 22 girls.Find the number of students in the class.​

Answer 1

Answer:

45/100×20

45/5

9

9+22

31

Answer 2

Answer:

Answer is 40.

Explanation:

There are 45 percent are boys . Therefore (100-45)= 55 percent are girls .

But no. of girls are 22.

Let strength of class be x.

Therefore, 55% of x = 22

or, 55\100 * x = 22

or, 11\20 * x = 22

or, x = 22*20\11

or, x = 40

Therefore , the total no. of students in the class = 40 students.