Question
Julian has a mass of 81 kg. Henry is 18 kg lighter than Julian.
  1. What is Henry's mass?
  2. Express Henry's mass as a fraction of Julian's mass. Give your answer in its lowest terms.
4 m
(a)

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(b)

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Julian has a mass of 81 kg. Henry is 18 kg lighter than Julian.
  1. What is Henry's mass?
  2. Express Henry's mass as a fraction of Julian's mass. Give your answer in its lowest terms.