módulo 5 corregido JULIO 2010 - Universidad Nacional de Loja

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6. a. Interés al 4%, 90d = 7.00
8%, 90d = 14.00
b.Interés al 6%, 60d = 9.24
6%, 20d = 3.08
6%, 80d = 12.32
1%, 80d = 2.05
7% 80d = $14.37
7. S = P (1 +rt)
⎤
3,402 = P
⎢
⎡ 50
1 + 0.09x
⎣ 360 ⎥
⎦
= P (1 + 0.0125)
3,402 = P(1.0125)
P = $3,360
8. 26 de febrero al 15 de mayo (57 a 135) = 78 días
S = P(1 +rt)
⎤
1,325.35 = P
⎢
⎡ 78
1 + 0.09x
⎣ 360 ⎥
⎦
= P (1 + 0.0195)
1,325.3 = P(1.0195)
P = $1,300
9. I = Prt = 900 x 0.12 x 12
6 = $54
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