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JJ watt decided to invest $21 million he received for his 2016 season. he put it in an American fund which pays an average of 12% compound interest. How much interest will this investment earn in 10 years

Guest Mar 9, 2017
 #1
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FV = PV x [1 + R]^N

FV =21E6 x 1.12^10

FV =$65,222,812.38, so total interest will be:

$65,222,812.38 - $21,000,000 =$44,222,812.38.

Guest Mar 9, 2017
 #2
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Interest: $65,222,812.38; Total Interest is $44,222,812.38

 

Explaination:

Compund interest formula is \(P(1+(\frac{r}{n}))^{(nt)}\) where P is the principle amount in this case 21$ mil. N is the rate per year (I assuming annually).  R is the decimal rate (.12). T is the time in years (10yrs). And once you plug that in it should look like \(21000000(1.12)^{(12)}\) (I simplified some stuff). Then for the total interest just subtract the Interest from the principle amount.

SilverAg  Mar 9, 2017

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