Respostas

2014-05-25T11:15:59-03:00
250 ------------- 100 %
   x --------------  40 %

100x = 250.40
100x = 10000
x = 10000/100
x = 100 

40% de 250 = 100
4 4 4
2014-05-25T11:25:33-03:00
40,       POR CENTO DE  250,00=100,00