Question
The total mass of Ben and Julie is 8538 kg. Ben weighs 3859 kg. 
  1. What is Julie's mass?
  2. How much heavier than Ben is Julie?
4 m
(a)

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(b)

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The total mass of Ben and Julie is 8538 kg. Ben weighs 3859 kg. 
  1. What is Julie's mass?
  2. How much heavier than Ben is Julie?