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maths simultaneous equ.

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    4. Marina had $24500 to invest. She divided the money into three different accounts. At the end of the year, she had made $1300 in interest. The amount of money yield on each of the three accounts was 4%, 5.5% and 6%. If the amount of money in the 4% account was four times the amount of money in the 5.5% account before interest was added, how much had she placed in each account? (Please start your solution with the account with the least amount)

    anshe placed $ , $ and $ in each of the three accounts.


    hello anyone knws how to do this pls help me!!
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    (Original post by KULER)
    ...
    Let $x be the amount of money in the 4% a/c.

    Work out how much is in each of the other accounts in terms of x.

    Then work out the interest in terms of x.

    Equate it to $1300 and solve.

    Post some working if you get stuck.

    @everyone else. If you're thinking of posting a fully worked solution, please read the forum guidelines first.
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    (Original post by ghostwalker)
    @everyone else. If you're thinking of posting a fully worked solution, please read the forum guidelines first.
    I'm finding it hard to participate any more as, 2 minutes after I offer a hint which is perfectly sufficient to move the poster on, someone else comes along and posts a full (or almost) full solution.
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    (Original post by Mr M)
    I'm finding it hard to participate any more as, 2 minutes after I offer a hint which is perfectly sufficient to move the poster on, someone else comes along and posts a full (or almost) full solution.
    ditto


    not always a correct one either

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