Question
Fabian has a mass of 6d kg. Luis is 3 kg heavier than Fabian. The mass of Zoe is twice the total mass of Fabian and Luis.
  1. Find the total mass of the 3 children in terms of d.
  2. If d = 3, find the average mass of the 3 children.
2 m
(a)

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(b)

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Fabian has a mass of 6d kg. Luis is 3 kg heavier than Fabian. The mass of Zoe is twice the total mass of Fabian and Luis.
  1. Find the total mass of the 3 children in terms of d.
  2. If d = 3, find the average mass of the 3 children.