Question
The total mass of Jade, Gem and Barbara is 23n kg. Jade has a mass of 8n kg. Gem is 2 kg heavier than Jade.
  1. What is Barbara's mass in terms of n?
  2. If n = 9, what is Barbara's mass? 
3 m
(a)

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(b)

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The total mass of Jade, Gem and Barbara is 23n kg. Jade has a mass of 8n kg. Gem is 2 kg heavier than Jade.
  1. What is Barbara's mass in terms of n?
  2. If n = 9, what is Barbara's mass?