Question
Jack has a mass of 5g kg. Peter is 3 kg heavier than Jack. The mass of Usha is thrice the total mass of Jack and Peter.
  1. Find the total mass of the 3 children in terms of g.
  2. If g = 3, find the average mass of the 3 children.
2 m
(a)

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(b)

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Jack has a mass of 5g kg. Peter is 3 kg heavier than Jack. The mass of Usha is thrice the total mass of Jack and Peter.
  1. Find the total mass of the 3 children in terms of g.
  2. If g = 3, find the average mass of the 3 children.