Respostas

2013-11-13T14:54:54-02:00
Montante = Juro + capital
M=j+c
Juro = Cxi/100xn
i = taxa
n = tempo

J = 4500 x i/100 x 4
J = 180i
5040 = 180i + 4500
5040-4500/180 = i
i = 3% a.m
3 3 3