Question
Ivan has a mass of 6t kg. Ahmad is 3 kg heavier than Ivan. The mass of Xuan is twice the total mass of Ivan and Ahmad.
  1. Find the total mass of the 3 children in terms of t.
  2. If t = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

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Ivan has a mass of 6t kg. Ahmad is 3 kg heavier than Ivan. The mass of Xuan is twice the total mass of Ivan and Ahmad.
  1. Find the total mass of the 3 children in terms of t.
  2. If t = 2, find the average mass of the 3 children.