Question
The total mass of Andy and Kathy is 8034 kg. Andy weighs 3925 kg. 
  1. What is Kathy's mass?
  2. How much heavier than Andy is Kathy?
4 m
(a)

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(b)

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The total mass of Andy and Kathy is 8034 kg. Andy weighs 3925 kg. 
  1. What is Kathy's mass?
  2. How much heavier than Andy is Kathy?