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Posted by on Wednesday, February 9, 2011 at 8:56pm.

I need help figuring out simple interest and the balance of an account. Example P = $525, r = 6%, t + 9 years

  • Pre Algebra - , Wednesday, February 9, 2011 at 9:22pm

    The formula for simple interest is,
    I = PRT (Interest = Principle * Rate * Time)

    Balance of account ?
    t + 9 years?

  • Pre Algebra - , Thursday, March 3, 2011 at 7:12am

    two sums of money totaling 15000 earn 5% and 7% annual interest. if the total interest from both investments amounts to $870, how much is invested at each rate?

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