Question
Eva has a mass of 45 kg. Eva is 7 kg heavier than Dylan. Japheth is as heavy as Dylan.
  1. How heavy is Japheth?
  2. What is the total mass of the 3 children?
4 m
(a)

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(b)

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Eva has a mass of 45 kg. Eva is 7 kg heavier than Dylan. Japheth is as heavy as Dylan.
  1. How heavy is Japheth?
  2. What is the total mass of the 3 children?