Question
Sean has a mass of 8p kg. Cole is 3 kg heavier than Sean. The mass of Erika is twice the total mass of Sean and Cole.
  1. Find the total mass of the 3 children in terms of p.
  2. If p = 2, find the average mass of the 3 children.
2 m
(a)

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(b)

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Sean has a mass of 8p kg. Cole is 3 kg heavier than Sean. The mass of Erika is twice the total mass of Sean and Cole.
  1. Find the total mass of the 3 children in terms of p.
  2. If p = 2, find the average mass of the 3 children.