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Thread: Calculate how much invested

  1. #1
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    Calculate how much invested

    What of solve it and why that answer?
    Mrs. Ming invested an amount of money in two accounts for one year. She invested some at 8% interest and the rest at 6% interest. Her total amount invested was $1,500. At the end of the year, she had earned $106.40 in interest. How much had Mrs. Ming invested in the account paying 6%?
    $117
    $680
    $760
    $820
    Last edited by topsquark; Mar 19th 2018 at 01:17 PM.
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  2. #2
    MHF Contributor
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    Re: Calculate how much invested

    Quote Originally Posted by AKM17 View Post
    Mrs. Ming invested an amount of money in two accounts for one year.
    She invested some at 8% interest and the rest at 6% interest.
    Her total amount invested was 1,500.
    At the end of the year, she had earned 106.40 in interest.
    How much had Mrs. Ming invested in the account paying 6%?
    117
    680
    760
    820
    Hint: x = amount at 6% : .06x + .08(1500 - x) = 106.40
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