Math

A spring is 25 cm long when stretched. The spring was stretched by 18% of its original length. Determine the original length.

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  1. 25 / 1.18 = 21.18644

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    Ms. Sue
  2. Where do you get the 1.18 from. Confused a little.

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  3. The spring stretched 118% of its original length.

    1.18x = 25
    x = 25/1.18

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    Ms. Sue
  4. Thank you very much.

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  5. You're very welcome.

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    Ms. Sue
  6. let unknown be x
    18x/100=25
    x=(25*100)18
    x=138.89

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