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Math

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A man invests $5500 dollars in three accounts that pay 5%, 8%, and 9% in annual interest respectively. He has two times as much mondy invested at 9% as he does at 8%. If the total interest earned for the year is $449, how much is invested at 5%?

  • Math - ,

    .05*FIVE+.08*EIGHT+.09*NINE=449

    NINE=2*EIGHT

    NINE+FIVE+EIGHT=5500 are the three equations.


    You can use substitution, or other methods.

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