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3 November, 20:41

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) 107 1/7 pounds. B) 170 pounds. C) 210 pounds. D) 750 pounds

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Answers (2)
  1. 3 November, 21:01
    0
    5/7 = 150/x

    5x = 1050

    x = 1050/5

    x = 210 lbs <===
  2. 3 November, 22:23
    0
    The ratio of an object's weight on Earth to its weight on Neptune is 5 : 7

    So,

    We can use proportions to find out the weight of a person on Neptune.

    Lets start:

    E refers to Earth

    N refers to Neptune

    Therefore,

    E:N = 5:7

    Converting them into fractions:

    E/N = 5/7

    Substituting the value of weight on earth.

    150/N = 5/7

    Solving for N.

    5 N = 150 x 7

    5 N = 1050

    N = 1050/5

    N = 210 pounds.

    Hence, the right answer is option:

    C) 210 pounds.
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