EXERCICIOS RESOLVIDOS

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1) J = C. i . n
J = 1800. 0,02.8 -> J = 288
M = C + J -> M = 1800+288 
M = R$ 2088,00
2) C = 2127,00, i = 1,5%a.m, 
n = 92d /30d(1 mês) -> n = 3,0667 meses
J = C. i. n -> J = 2127 . 0,015 . 3,0667 -> J = 97,842
M = C + J -> M = 2127 + 94,842 -> M = R$ 2.224,84
3) C = ?, M = 14230 n = 45d, i = 3,5%a.b
1 Bimestre = 2 meses = 60d.
n = 45d /60d(1 bim.) -> n = 0,75bimestre
J = C. i. n -> J = C. 0,035. 0,75
J = C0,0263 = M - C -> J = C0,0263 + C = 14230
J = C1,0263 = 14230 -> C = 14230 / 1,0263
C = R$ 13.866,02
4) J = 3600, i = 4%, n = 5meses
J = C. i. n -> J = C . 0,04 . 5
J = C0,20 = M - C
J = C0,20 + C = 3600
C1,20 = 3600
C = 3600/1,20 -> C = R$ 3.000,00
5) M = ?, C = 1500, i = 3,2%a.m, n = 7meses
M = C . (1+ i)n
M = 1500 . (1 + 0,032)7
M = R$ 1870,03
6) C = ?, M = 1157,63, i = 5%a.m, n = 3meses
M = C . (1+i)n
1157,63 = C . (1 + 0,05)3
1157,63 = C1,16 -> C = 1157,63 / 1,16
C = R$ 1.000 
7) M = ?, C = 2500, i = 1,09a.m, n = 2meses
M = C . (1 + i)n
M = 2500 . (1 +0,0109)2 
M = R$ 2554,80
8) C = ?, M = 5000, i = 1,02a.m = n = 6meses
M = C . (1+i)n
5000 = C . (1 + 0,0102)6
C1,0628 = 5000 - C
C = 5000 / 1,0628 -> C = R$ 4704,63