Question
Gabriel has a mass of 5i kg. Ivan is 5 kg heavier than Gabriel. The mass of Fanny is twice the total mass of Gabriel and Ivan.
  1. Find the total mass of the 3 children in terms of i.
  2. If i = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

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Gabriel has a mass of 5i kg. Ivan is 5 kg heavier than Gabriel. The mass of Fanny is twice the total mass of Gabriel and Ivan.
  1. Find the total mass of the 3 children in terms of i.
  2. If i = 2, find the average mass of the 3 children.