Question
The total mass of Pamela, Tiffany and Xandra is 33z kg. Pamela has a mass of 4z kg. Tiffany is 5 kg heavier than Pamela.
  1. What is Xandra's mass in terms of z?
  2. If z = 11, what is Xandra's mass? 
3 m
(a)

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(b)

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The total mass of Pamela, Tiffany and Xandra is 33z kg. Pamela has a mass of 4z kg. Tiffany is 5 kg heavier than Pamela.
  1. What is Xandra's mass in terms of z?
  2. If z = 11, what is Xandra's mass?