Question
The total mass of Winnie, Tammy and Joelle is 28y kg. Winnie has a mass of 6y kg. Tammy is 8 kg heavier than Winnie.
  1. What is Joelle's mass in terms of y?
  2. If y = 9, what is Joelle's mass? 
3 m
(a)

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(b)

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The total mass of Winnie, Tammy and Joelle is 28y kg. Winnie has a mass of 6y kg. Tammy is 8 kg heavier than Winnie.
  1. What is Joelle's mass in terms of y?
  2. If y = 9, what is Joelle's mass?