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Math Help - Investment in accounts

  1. #1
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    Investment in accounts

    Franny invested in two accounts. The first account had a gain of 3% for the year. Unfortunately, Franny invested 10,000 more in the second account that lost 4% on the year. If Franny showed a loss of $454 for the two accounts, how much did she invest in each account?

    I need some help setting it up any ideas?
    Last edited by mr fantastic; February 4th 2010 at 02:41 AM. Reason: Changed post title
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  2. #2
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    Hello, BWADE09!

    Franny invested in two accounts.
    The first account (A)had a gain of 3% for the year.
    She invested 10,000 more in the second account (B) that lost 4% for the year.
    If Franny showed a loss of $454 for the two accounts,
    how much did she invest in each account?

    Let x = amunt invested in account A.
    Let x + 10,000 amount invested in account B.

    She gained: . 0.03x dollars in account A..

    She lost: . 0.04(x +10,000) dollars in account B.


    Together, she had a net loss of $454:

    . . . . 0.03x - 0.04(x+10,000) \;=\;-454


    I assume you can finish it . . .

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