Question
The total mass of Daniel and Gillian is 8912 kg. Daniel weighs 3029 kg. 
  1. What is Gillian's mass?
  2. How much heavier than Daniel is Gillian?
4 m
(a)

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(b)

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The total mass of Daniel and Gillian is 8912 kg. Daniel weighs 3029 kg. 
  1. What is Gillian's mass?
  2. How much heavier than Daniel is Gillian?