Question
The total mass of Zoe, Nicole and Xuan is 37p kg. Zoe has a mass of 9p kg. Nicole is 7 kg heavier than Zoe.
  1. What is Xuan's mass in terms of p?
  2. If p = 10, what is Xuan's mass? 
3 m
(a)

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(b)

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The total mass of Zoe, Nicole and Xuan is 37p kg. Zoe has a mass of 9p kg. Nicole is 7 kg heavier than Zoe.
  1. What is Xuan's mass in terms of p?
  2. If p = 10, what is Xuan's mass?