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Q:Mr.Camacho invested twice as much in a savings account at 6.5% as he invested in a U.S. Treasure Note at 7%. If his yearly income from both investments is $800.00, how much has he invested at 6.5% and how much at 7%?

A: Equation: ____
6.5%: ______
7%:________

  • Math -

    Let's say he invested X at 7% and 2X at 6.5%.

    0.07X + (0.065)(2X) = 800

    0.2 X = 800

    X = 4000 dollars
    2X = 8000 dollars

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