Respostas

2014-05-15T18:43:18-03:00
Tem  333 alunos na sua sala
1 1 1
2014-05-15T18:43:46-03:00
28 alunos
18 ____100%
x   ____60%
18x60=1080/100 =10 +1=28
2 5 2