Question
The total mass of Eric and Kylie is 86110 kg. Eric weighs 4157 kg. 
  1. What is Kylie's mass?
  2. How much heavier than Eric is Kylie?
4 m
(a)

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(b)

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The total mass of Eric and Kylie is 86110 kg. Eric weighs 4157 kg. 
  1. What is Kylie's mass?
  2. How much heavier than Eric is Kylie?