Question
The total mass of Howard and Gabby is 8523 kg. Howard weighs 4045 kg. 
  1. What is Gabby's mass?
  2. How much heavier than Howard is Gabby?
4 m
(a)

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(b)

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The total mass of Howard and Gabby is 8523 kg. Howard weighs 4045 kg. 
  1. What is Gabby's mass?
  2. How much heavier than Howard is Gabby?