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26 October, 18:34

The ratio of an object's weight on Earth to its weight on Neptune is 5:7. How much would a person who weighs 150 pounds on Earth weigh on Neptune? A. 170 pounds B. 1071⁄7 pounds C. 210 pounds D. 750 pounds

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Answers (2)
  1. 26 October, 18:54
    0
    Answer: Option C

    Step-by-step explanation:

    We know that the the ratio is 5:7

    this means that if the object in the Earth weights 7kg, in neptune it will weight 5 kg in Neptune

    This means that the weight in Earth is related to the weight in Neptune by:

    We = 5/7Wn

    then, if a person weights 150 punds in Earth, we have that:

    We = 150 pounds = 5/7*Wn

    Wn = 7/5*150pounds = 210 pounds

    the correct option is option C
  2. 26 October, 19:00
    0
    5/7 = 150 / ?

    using cross product

    5 * ? = 7 * 150

    ? = 7 * 150 / 5

    210 lbs

    Choice C
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