Relax

Respuesta :

if we assume that all students who were not sick came then
3/3-1/2=2/3 left

24 were at school
24=2/3 of all
times both sides by 3/2
72/2=all
36=all

there are 36 students
24/2=12 so 12 is 1/3 of the students. 12 + 24= 36