Question
Ryan has a mass of 50 kg. Cody is 20 kg lighter than Ryan.
  1. What is Cody's mass?
  2. Express Cody's mass as a fraction of Ryan's mass. Give your answer in its lowest terms.
4 m
(a)

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(b)

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Ryan has a mass of 50 kg. Cody is 20 kg lighter than Ryan.
  1. What is Cody's mass?
  2. Express Cody's mass as a fraction of Ryan's mass. Give your answer in its lowest terms.