Question
Ken has a mass of 40 kg. Asher is 20 kg lighter than Ken.
  1. What is Asher's mass?
  2. Express Asher's mass as a fraction of Ken's mass. Give your answer in its lowest terms.
4 m
(a)

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(b)

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Ken has a mass of 40 kg. Asher is 20 kg lighter than Ken.
  1. What is Asher's mass?
  2. Express Asher's mass as a fraction of Ken's mass. Give your answer in its lowest terms.