Question
The total mass of Emma, Xuan and Jane is 24j kg. Emma has a mass of 8j kg. Xuan is 2 kg heavier than Emma.
  1. What is Jane's mass in terms of j?
  2. If j = 15, what is Jane's mass? 
3 m
(a)

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(b)

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The total mass of Emma, Xuan and Jane is 24j kg. Emma has a mass of 8j kg. Xuan is 2 kg heavier than Emma.
  1. What is Jane's mass in terms of j?
  2. If j = 15, what is Jane's mass?