Question
Henry has a mass of 5s kg. Cody is 4 kg heavier than Henry. The mass of Esther is twice the total mass of Henry and Cody.
  1. Find the total mass of the 3 children in terms of s.
  2. If s = 3, find the average mass of the 3 children.
2 m
(a)

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(b)

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Henry has a mass of 5s kg. Cody is 4 kg heavier than Henry. The mass of Esther is twice the total mass of Henry and Cody.
  1. Find the total mass of the 3 children in terms of s.
  2. If s = 3, find the average mass of the 3 children.