Question
Peter has a mass of 42 kg. Eric is 6 kg lighter than Peter.
  1. What is Eric's mass?
  2. Express Eric's mass as a fraction of Peter's mass. Give your answer in its lowest terms.
4 m
(a)

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(b)

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Peter has a mass of 42 kg. Eric is 6 kg lighter than Peter.
  1. What is Eric's mass?
  2. Express Eric's mass as a fraction of Peter's mass. Give your answer in its lowest terms.