Question
The total mass of Luke and Fanny is 8614 kg. Luke weighs 4135 kg. 
  1. What is Fanny's mass?
  2. How much heavier than Luke is Fanny?
4 m
(a)

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(b)

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The total mass of Luke and Fanny is 8614 kg. Luke weighs 4135 kg. 
  1. What is Fanny's mass?
  2. How much heavier than Luke is Fanny?