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

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(b)

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Peter has a mass of 6v kg. Julian is 3 kg heavier than Peter. The mass of Dana is four times the total mass of Peter and Julian.
  1. Find the total mass of the 3 children in terms of v.
  2. If v = 2, find the average mass of the 3 children.