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1 February, 13:33

A piece of a chain's length and weight are in proportion. If 320 cm of chain weighs 8 kg, then

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Answers (2)
  1. 1 February, 14:01
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    Answer: 80 cm of chain weighs 2 kg.
  2. 1 February, 14:01
    0
    W = 0.025L

    Step-by-step explanation:

    A piece of a chain's length and weight are in proportion.

    If L represents the length in cm and weight is represented by W in kg, then we can write W = aL + b ... (1)

    Now, if the length of the chin is 0, then the weight will also be 0. So, from equation (1), we can write W = aL ... (2) as b becomes zero.

    Now, the 320 cm of chain weighs 8 kg.

    So, from equation (2), we get, 8 = 320a, ⇒ a = 0.025 kg/cm

    So, the equation becomes W = 0.025L (Answer)
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