Question
Jean has a mass of 40 kg. Carl is 10 kg heavier than Jean. Ben is as heavy as Carl.
  1. How heavy is Ben?
  2. What is the total mass of the 3 children?
4 m
(a)

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(b)

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Jean has a mass of 40 kg. Carl is 10 kg heavier than Jean. Ben is as heavy as Carl.
  1. How heavy is Ben?
  2. What is the total mass of the 3 children?