Question
Fred has a mass of 30 kg. Reggie is 10 kg lighter than Fred.
  1. What is Reggie's mass?
  2. Express Reggie's mass as a fraction of Fred's mass. Give your answer in its lowest terms.
4 m
(a)

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(b)

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Fred has a mass of 30 kg. Reggie is 10 kg lighter than Fred.
  1. What is Reggie's mass?
  2. Express Reggie's mass as a fraction of Fred's mass. Give your answer in its lowest terms.