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Thread: compunded interest

  1. September 22nd 2009, 10:35 AM #1
    mikegar813
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    compunded interest

    If an amount of money invested doubles itself in 8 years at an interest compounded continuously, how long will it take for the original amount to triple it self?
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  2. September 22nd 2009, 10:46 AM #2
    skeeter
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    Quote Originally Posted by mikegar813 View Post
    If an amount of money invested doubles itself in 8 years at an interest compounded continuously, how long will it take for the original amount to triple it self?
    <br /> A = A_0 \, e^{rt}<br />

    work it ...
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  3. September 22nd 2009, 11:05 AM #3
    mikegar813
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    12.6797 years?
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  4. September 22nd 2009, 11:08 AM #4
    mikegar813
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    ln3/(ln2/8)= 12.6797
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  5. September 22nd 2009, 07:35 PM #5
    Wilmer
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    Quote Originally Posted by mikegar813 View Post
    ln3/(ln2/8)= 12.6797
    Correct.
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