Question
Archie has a mass of 6s kg. Albert is 3 kg heavier than Archie. The mass of Linda is four times the total mass of Archie and Albert.
  1. Find the total mass of the 3 children in terms of s.
  2. If s = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

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Archie has a mass of 6s kg. Albert is 3 kg heavier than Archie. The mass of Linda is four times the total mass of Archie and Albert.
  1. Find the total mass of the 3 children in terms of s.
  2. If s = 2, find the average mass of the 3 children.