Question
Cathy has a mass of 49 kg. Cathy is 7 kg heavier than Archie. Michael is as heavy as Archie.
  1. How heavy is Michael?
  2. What is the total mass of the 3 children?
4 m
(a)

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(b)

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Cathy has a mass of 49 kg. Cathy is 7 kg heavier than Archie. Michael is as heavy as Archie.
  1. How heavy is Michael?
  2. What is the total mass of the 3 children?