Respostas

2014-05-21T20:16:16-03:00
775 -------- 62
   x -------- 100

62x = 77500
   x = 77500/62
   x = 1250

1250/2 = 625  ou seja 625 = a 50%
2014-05-22T16:21:55-03:00
62%--------775,00


775-----100
x-------50
X= 387,50