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Asked by Anonymous

How long will it take $4000 to double if it is invested at 7.85%?
15 years ago

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Answered by Reiny
solve for n

8000 = 4000(1.0785)^n

2 = (1.0785)^n

you will have to use logs
15 years ago
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How long will it take $4000 to double if it is invested at 7.85%?

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