Respostas

2014-04-11T20:32:12-03:00
Juros = capital inicial X taxa X tempo

480 = 600.0,2.t
480 = 120t
t = 480/120 = 4
R = 4 anos
2014-04-11T20:32:57-03:00
J=CIT/100
480=600.20.T/100
480=120.T
T=480/120
T= 4