Respostas

2014-08-09T17:05:29-03:00
Juros=Capital x Taxa x Tempo
J=c.i.t
4200=c.30.4
4200=120c
c=4200/120
c=35
2014-08-09T17:27:52-03:00
4200=30% .(vezes) 4
4200=30.4
4200=120
c=4200/120
c=35