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Math Help - Percentage Equation help.

  1. #1
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    Percentage Equation help.

    An elastic is stretched by 86% to a length of 5.8 m. Calculate the original length

    do i use;

    increase% = increase/original length?

    im stumped no idea where to go

    sorry if in wrong forum i looked around to see where it would fit
    Last edited by mr fantastic; May 3rd 2011 at 07:06 PM.
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  2. #2
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    Given the original length is 100% then

    186% of x = 5.8, solve for x.

    Does that work for your question?
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  3. #3
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    Quote Originally Posted by pickslides View Post
    Given the original length is 100% then

    186% of x = 5.8, solve for x.

    Does that work for your question?
    i do think that works yes ty sir
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  4. #4
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    That's the way I would think of doing it.
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