Question
Tommy has a mass 51 kg. Peter is 3 kg heavier than Tommy and Dylan is 11 kg lighter than Peter.
  1. What is the mass of Dylan?
  2. What is the total mass of the three students?
4 m
(a)

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(b)

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Tommy has a mass 51 kg. Peter is 3 kg heavier than Tommy and Dylan is 11 kg lighter than Peter.
  1. What is the mass of Dylan?
  2. What is the total mass of the three students?