Question

16 alunos representam 40% de quantos alunos?

Answer 1

40 alunos 20%=8 40%=16 40%+40%+20%= 40 alunos

Answer 2

100-40=60%
60-40=20%
40=16 alunos
20=8 alunos
16+16+8=40 alunos
16 alunos representam 40% de 40 alunos