Question

In a class of 60 pupils 12 are girls . express the number of boys as a percentage of the whole class.

Answer 1

total students = 60 
girls = 12
boys = 60-12 = 48
% boys = (48/60)×100 = 80%
So 80% students of the class are boys.

Answer 2

boys = 60-12 = 48% boys = (48/60)×100 = 80%
so it is required answer