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3 years ago

10

Customer: "I buy the same items every week and my bill is normally $90.00. Why am I now being charged $108.00 for the exact same

items?" Employee: "Unfortunately, the increased cost of raw materials has forced us to increase our prices by __________."

1 answer:

scZoUnD [109]3 years ago

7 0

18
$108.00- 90.00= 18.00$

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2 years ago

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Se requiere 34 meses para producir un interés de 8700 soles.

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Asumamos que el capital aumenta conforme a una tasa de interés compuesto, cuya fórmula se describe aquí abajo:

$C = C_{o}\cdot \left(1 + \frac{r}{100} \right)^{t}$ (1)

Donde:

$C_{o}$ - Capital inicial, en soles.

$C$ - Capital actual, en soles.

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$t$ - Período de capitalización, en años.

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$C = C_{o}\cdot \left(1 + \frac{r}{100} \right)^{t}$

$\frac{C}{C_{o}} = \left(1 + \frac{r}{100}\right)^{t}$

$\ln \frac{C}{C_{o}} = t\cdot \ln \left(1 + \frac{r}{100}\right)$

$t = \frac{\ln C - \ln C_{o}}{\ln \left(1+\frac{r}{100} \right)}$

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