Question

in a class 3/4 of the students are girls .if there are 20 boys in the class, how many students are there in the class ?

Answer 1

acc. to quesn boys will be 1/4 and no. of boys is 20 so total no. of students will be 80

Answer 2

3/4+20/1
3+80/4
=83 students are in the class