Question
Zeph has a mass 60 kg. Albert is 2 kg heavier than Zeph and Fred is 12 kg lighter than Albert.
  1. What is the mass of Fred?
  2. What is the total mass of the three students?
4 m
(a)

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(b)

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Zeph has a mass 60 kg. Albert is 2 kg heavier than Zeph and Fred is 12 kg lighter than Albert.
  1. What is the mass of Fred?
  2. What is the total mass of the three students?