Question
The total mass of Dylan and Usha is 8513 kg. Dylan weighs 3935 kg. 
  1. What is Usha's mass?
  2. How much heavier than Dylan is Usha?
4 m
(a)

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(b)

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The total mass of Dylan and Usha is 8513 kg. Dylan weighs 3935 kg. 
  1. What is Usha's mass?
  2. How much heavier than Dylan is Usha?