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Posted by on Tuesday, June 23, 2009 at 7:40pm.

An investment advisor invested a total of $12,000, part at 2.5% annual simple interest and part at 4% annual simple interest. The amount of interest earned for 1 year was $426. How much was invested at the 2.5% rate and how much was invested at the 4% rate?

  • Math - , Tuesday, June 23, 2009 at 8:34pm

    let the amount invested at 2.5% be x
    then the amount invested at 4% is 12000-x

    solve the equation
    .025x + .04(12000-x) = 426

  • Math - , Tuesday, June 23, 2009 at 8:58pm

    I figured it out. Thanks for your help!

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