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

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(b)

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Dylan has a mass of 6m kg. Howard is 4 kg heavier than Dylan. The mass of Kimberly is twice the total mass of Dylan and Howard.
  1. Find the total mass of the 3 children in terms of m.
  2. If m = 3, find the average mass of the 3 children.