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

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(b)

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