Question
Riordan has a mass of 6h kg. Albert is 4 kg heavier than Riordan. The mass of Fanny is twice the total mass of Riordan and Albert.
  1. Find the total mass of the 3 children in terms of h.
  2. If h = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

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Riordan has a mass of 6h kg. Albert is 4 kg heavier than Riordan. The mass of Fanny is twice the total mass of Riordan and Albert.
  1. Find the total mass of the 3 children in terms of h.
  2. If h = 2, find the average mass of the 3 children.