Question
Michael has a mass of 6g kg. Ian is 3 kg heavier than Michael. The mass of Xandra is thrice the total mass of Michael and Ian.
  1. Find the total mass of the 3 children in terms of g.
  2. If g = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

Click button first when a symbol is required. X

Michael has a mass of 6g kg. Ian is 3 kg heavier than Michael. The mass of Xandra is thrice the total mass of Michael and Ian.
  1. Find the total mass of the 3 children in terms of g.
  2. If g = 2, find the average mass of the 3 children.