Question
Ben has a mass of 8m kg. Seth is 5 kg heavier than Ben. The mass of Tammy is twice the total mass of Ben and Seth.
  1. Find the total mass of the 3 children in terms of m.
  2. If m = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

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Ben has a mass of 8m kg. Seth is 5 kg heavier than Ben. The mass of Tammy is twice the total mass of Ben and Seth.
  1. Find the total mass of the 3 children in terms of m.
  2. If m = 2, find the average mass of the 3 children.