Question
Liam has a mass of 85 kg. Oscar is 5 kg lighter than Liam.
  1. What is Oscar's mass?
  2. Express Oscar's mass as a fraction of Liam's mass. Give your answer in its lowest terms.
4 m
(a)

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(b)

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Liam has a mass of 85 kg. Oscar is 5 kg lighter than Liam.
  1. What is Oscar's mass?
  2. Express Oscar's mass as a fraction of Liam's mass. Give your answer in its lowest terms.