Question
The total mass of Kathy, Opal and Fiona is 26p kg. Kathy has a mass of 9p kg. Opal is 6 kg heavier than Kathy.
  1. What is Fiona's mass in terms of p?
  2. If p = 12, what is Fiona's mass? 
3 m
(a)

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(b)

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The total mass of Kathy, Opal and Fiona is 26p kg. Kathy has a mass of 9p kg. Opal is 6 kg heavier than Kathy.
  1. What is Fiona's mass in terms of p?
  2. If p = 12, what is Fiona's mass?