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September 16, 2014

September 16, 2014

Posted by **Charley** on Wednesday, November 24, 2010 at 1:57am.

- math -
**Reiny**, Wednesday, November 24, 2010 at 8:29am3P = P(1 + r/2)^(2t)

3 = (1+r/2)^(2t)

2t = ln3/ln(1+r/2) , then divide both sides by 2

t is in years, r is the annual rate expressed as a decimal.

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