Results 1 to 5 of 5

Math Help - compunded interest

  1. #1
    Junior Member
    Joined
    Apr 2009
    Posts
    33

    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?
    Follow Math Help Forum on Facebook and Google+

  2. #2
    MHF Contributor
    skeeter's Avatar
    Joined
    Jun 2008
    From
    North Texas
    Posts
    11,741
    Thanks
    481
    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 ...
    Follow Math Help Forum on Facebook and Google+

  3. #3
    Junior Member
    Joined
    Apr 2009
    Posts
    33
    12.6797 years?
    Follow Math Help Forum on Facebook and Google+

  4. #4
    Junior Member
    Joined
    Apr 2009
    Posts
    33
    ln3/(ln2/8)= 12.6797
    Follow Math Help Forum on Facebook and Google+

  5. #5
    MHF Contributor
    Joined
    Dec 2007
    From
    Ottawa, Canada
    Posts
    3,107
    Thanks
    68
    Quote Originally Posted by mikegar813 View Post
    ln3/(ln2/8)= 12.6797
    Correct.
    Follow Math Help Forum on Facebook and Google+

Similar Math Help Forum Discussions

  1. Calculate interest rate based on interest in parcels
    Posted in the Business Math Forum
    Replies: 1
    Last Post: February 17th 2011, 09:38 PM
  2. Compound interest at changing interest rates
    Posted in the Business Math Forum
    Replies: 2
    Last Post: October 21st 2010, 04:55 AM
  3. Interest
    Posted in the Business Math Forum
    Replies: 1
    Last Post: January 16th 2010, 08:59 PM
  4. Compund interest compunded quarterly?
    Posted in the Business Math Forum
    Replies: 7
    Last Post: November 5th 2009, 12:38 PM
  5. Replies: 0
    Last Post: March 18th 2007, 01:31 PM

Search Tags


/mathhelpforum @mathhelpforum