Question
The total mass of Sean and Sabrina is 8216 kg. Sean weighs 3237 kg. 
  1. What is Sabrina's mass?
  2. How much heavier than Sean is Sabrina?
4 m
(a)

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(b)

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The total mass of Sean and Sabrina is 8216 kg. Sean weighs 3237 kg. 
  1. What is Sabrina's mass?
  2. How much heavier than Sean is Sabrina?