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Math Help - [SOLVED] Percent of a Number

  1. #1
    SaraZee
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    [SOLVED] Percent of a Number

    When I have a question like:

    5 is 12% of what number. How do I do it?
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  2. #2
    Newbie Jonny X's Avatar
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    Percent of a number using fractions

    The way I learned it is you say

    5 is to 12% as x is to 100%

    or

    5/12 =x/100

    or

    (5/12)*12=(x/100)*12

    or

    5=12x/100

    or

    5*100=(12x/100)*100

    or

    500=12x

    or x= 500/12

    or x = 125/3
    Last edited by MathGuru; April 9th 2005 at 09:39 AM.
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  3. #3
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    Quote Originally Posted by SaraZee
    When I have a question like:

    5 is 12% of what number. How do I do it?
    Translation:
    "is" = "="
    "of" = "*"
    "%" = "*0.01"

    Relation:
    5 = 12*0.01 * x

    Answer:
    x = 125/3 (approximately 41.667)
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  4. #4
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    Re: [SOLVED] Percent of a Number

    If 100% is the most of anything you can acquire, then if 5=12% , then 1% = 5/12 , thus, 100% is 5/12 * 100 = 46.6666 ...
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  5. #5
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    Re: [SOLVED] Percent of a Number

    Don't mean to upset you SelfTaughtMaths, but this question was asked 7 years ago! If they don't know how to do it by now, there's no hope!!
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  6. #6
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    Re: [SOLVED] Percent of a Number

    oops, forgot what year it was... 8 years, my bad!
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  7. #7
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    Re: [SOLVED] Percent of a Number

    Acknowledged, however, the purpose of my post was not only for a different explanation on said method, but it was for perspective members as well, who may also want to know how to calculate percentages , and to have a look at this thread instead of posting a new one and cluttering up the system with the same question.
    Last edited by SelfTaughtMaths; November 4th 2013 at 01:14 PM.
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