Question
The total mass of Xuan, Lynn and Jean is 39t kg. Xuan has a mass of 6t kg. Lynn is 3 kg heavier than Xuan.
  1. What is Jean's mass in terms of t?
  2. If t = 9, what is Jean's mass? 
3 m
(a)

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(b)

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The total mass of Xuan, Lynn and Jean is 39t kg. Xuan has a mass of 6t kg. Lynn is 3 kg heavier than Xuan.
  1. What is Jean's mass in terms of t?
  2. If t = 9, what is Jean's mass?