Question
Michael has a mass of 6f kg. Jeremy is 3 kg heavier than Michael. The mass of Vanessa is thrice the total mass of Michael and Jeremy.
  1. Find the total mass of the 3 children in terms of f.
  2. If f = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

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Michael has a mass of 6f kg. Jeremy is 3 kg heavier than Michael. The mass of Vanessa is thrice the total mass of Michael and Jeremy.
  1. Find the total mass of the 3 children in terms of f.
  2. If f = 2, find the average mass of the 3 children.