Question
Will has a mass of 8w kg. Jeremy is 4 kg heavier than Will. The mass of Sabrina is twice the total mass of Will and Jeremy.
  1. Find the total mass of the 3 children in terms of w.
  2. If w = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

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Will has a mass of 8w kg. Jeremy is 4 kg heavier than Will. The mass of Sabrina is twice the total mass of Will and Jeremy.
  1. Find the total mass of the 3 children in terms of w.
  2. If w = 2, find the average mass of the 3 children.