Question
Luke has a mass of 5e kg. Jack is 3 kg heavier than Luke. The mass of Betty is twice the total mass of Luke and Jack.
  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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Luke has a mass of 5e kg. Jack is 3 kg heavier than Luke. The mass of Betty is twice the total mass of Luke and Jack.
  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.