Question
The total mass of Tiffany, Raeann and Marion is 29n kg. Tiffany has a mass of 9n kg. Raeann is 4 kg heavier than Tiffany.
  1. What is Marion's mass in terms of n?
  2. If n = 13, what is Marion's mass? 
3 m
(a)

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(b)

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The total mass of Tiffany, Raeann and Marion is 29n kg. Tiffany has a mass of 9n kg. Raeann is 4 kg heavier than Tiffany.
  1. What is Marion's mass in terms of n?
  2. If n = 13, what is Marion's mass?