Question
Carl has a mass of 6w kg. Cole is 4 kg heavier than Carl. The mass of Risa is twice the total mass of Carl and Cole.
  1. Find the total mass of the 3 children in terms of w.
  2. If w = 3, find the average mass of the 3 children.
2 m
(a)

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(b)

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Carl has a mass of 6w kg. Cole is 4 kg heavier than Carl. The mass of Risa is twice the total mass of Carl and Cole.
  1. Find the total mass of the 3 children in terms of w.
  2. If w = 3, find the average mass of the 3 children.