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Math Help - help finding profit for previous year

  1. #1
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    help finding profit for previous year

    Hi my first posting...

    Looking at the example below can someone tell me were the value 1.3 same from. Thanks...

    If the increase from 2006 to 2007 was 30%, how much profit was made in 2006?

    Year Profit (millions)
    2007 25
    2008 30

    25 by 1.3, giving ,25 / 1.3 = 19.23
    to 2 decimal places. Hence the 2006 profit was approximately 19m.

    Apprantley 1.3 is standard when calculating for previous year
    Last edited by tomb; July 20th 2011 at 11:01 AM. Reason: solution found
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  2. #2
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    Re: help finding profit for previous year

    solution found I think
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  3. #3
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    Re: help finding profit for previous year

    im not sure what you mean by "standard".

    1.3 = 130%, which is a 30% increase
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  4. #4
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    Re: help finding profit for previous year

    So if 30% increase then 30 + 100 = 130%. 130 / 100 = 1.3. Can you explain the theory side because I do not understand. Why 130 / 100 to get 1.3
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  5. #5
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    Re: help finding profit for previous year

    Example:

    x : 1638

    1638 is 17% higher than x; what's x?

    x + .17x = 1638
    1.17x = 1638
    x = 1638 / 1.17 = 1400
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  6. #6
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    Re: help finding profit for previous year

    Thanks SpringFan25
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  7. #7
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    Re: help finding profit for previous year

    Thanks Wilmer
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