How long does it to take to double your money at a given rate (r) ? Begin
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How long does it to take to double your money at a given rate \(r\) ? Begin with
\[F V=P V e^{r t}=2 P V\]
and approximate \(\ln (2) \approx 0.72\) to come up with the Rule of 72 .
(a) At \(3 \%\), approximately how many years does it take to double your money?
(b) How about at \(8 \%\) ?
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Doubling Time using the Rule of 72 The Rule of 72 is a simple way to estimate the number ...View the full answer
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Mathematical Techniques In Finance An Introduction Wiley Finance
ISBN: 9781119838401
1st Edition
Authors: Amir Sadr
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