Question

Q. In a class 5A , 45% of the students are boys and the rest are (you know that) . The total number of students in the class is 40. How many boys and how many (you know that) are there in the class?
Show the process also in a copy.
Tomorrow is my exam.

Answer 1

Answer: Below are the methods for the calculation:

Boys=45*40/100

Girls=(100–45)*40/100

simply divide the total in this case 40 by 100 and multiply by the percentage in this case 45 per cent for boys (55) for  

this is a very simplistic answer to your question

Answer 2

I solved your question