Question
Neave has a mass of 6f kg. Ryan is 3 kg heavier than Neave. The mass of Anna is thrice the total mass of Neave and Ryan.
  1. Find the total mass of the 3 children in terms of f.
  2. If f = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

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Neave has a mass of 6f kg. Ryan is 3 kg heavier than Neave. The mass of Anna is thrice the total mass of Neave and Ryan.
  1. Find the total mass of the 3 children in terms of f.
  2. If f = 2, find the average mass of the 3 children.