Question
Cody has a mass of 8e kg. Luke is 4 kg heavier than Cody. The mass of Fiona is thrice the total mass of Cody and Luke.
  1. Find the total mass of the 3 children in terms of e.
  2. If e = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

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Cody has a mass of 8e kg. Luke is 4 kg heavier than Cody. The mass of Fiona is thrice the total mass of Cody and Luke.
  1. Find the total mass of the 3 children in terms of e.
  2. If e = 2, find the average mass of the 3 children.