Question
Harry has a mass 57 kg. Ethan is 4 kg heavier than Harry and Eric is 14 kg lighter than Ethan.
  1. What is the mass of Eric?
  2. What is the total mass of the three students?
4 m
(a)

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(b)

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Harry has a mass 57 kg. Ethan is 4 kg heavier than Harry and Eric is 14 kg lighter than Ethan.
  1. What is the mass of Eric?
  2. What is the total mass of the three students?