Question
Liam has a mass of 6i kg. Vaidev is 3 kg heavier than Liam. The mass of Tina is twice the total mass of Liam and Vaidev.
  1. Find the total mass of the 3 children in terms of i.
  2. If i = 3, find the average mass of the 3 children.
2 m
(a)

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(b)

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Liam has a mass of 6i kg. Vaidev is 3 kg heavier than Liam. The mass of Tina is twice the total mass of Liam and Vaidev.
  1. Find the total mass of the 3 children in terms of i.
  2. If i = 3, find the average mass of the 3 children.