Respostas

2013-12-02T19:32:15-02:00
24 + 16 = 40 

40 = 100%
16 = x 

40x = 1600
x = 40% 
1 5 1
2013-12-02T19:33:43-02:00
Total de alunos na sala 40

Percentual de meninas = 16\40 * 100 = 40%

1 5 1