Question

out of 80 students in a class 16 were absent .what percentage of students were present?

Answer 1

total student = 80
no of students present = 80 - 16 = 64
%of students present =
$\frac{64}{80} \times 100$
so the answer is 80%

Answer 2

Total students in a class=80

No. Of students absent=16

Therefore no. of students present=80-16

=64

Now, percentage of students present in class= 64/80*100

=80℅