Question
Nick has a mass of 5w kg. Zane is 3 kg heavier than Nick. The mass of Roshel is thrice the total mass of Nick and Zane.
  1. Find the total mass of the 3 children in terms of w.
  2. If w = 3, find the average mass of the 3 children.
2 m
(a)

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(b)

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Nick has a mass of 5w kg. Zane is 3 kg heavier than Nick. The mass of Roshel is thrice the total mass of Nick and Zane.
  1. Find the total mass of the 3 children in terms of w.
  2. If w = 3, find the average mass of the 3 children.