Question
Bryan has a mass of 7p kg. Andy is 3 kg heavier than Bryan. The mass of Sabrina is twice the total mass of Bryan and Andy.
  1. Find the total mass of the 3 children in terms of p.
  2. If p = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

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Bryan has a mass of 7p kg. Andy is 3 kg heavier than Bryan. The mass of Sabrina is twice the total mass of Bryan and Andy.
  1. Find the total mass of the 3 children in terms of p.
  2. If p = 2, find the average mass of the 3 children.