Question
The total mass of Opal, Hazel and Sabrina is 35q kg. Opal has a mass of 9q kg. Hazel is 4 kg heavier than Opal.
  1. What is Sabrina's mass in terms of q?
  2. If q = 10, what is Sabrina's mass? 
3 m
(a)

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(b)

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The total mass of Opal, Hazel and Sabrina is 35q kg. Opal has a mass of 9q kg. Hazel is 4 kg heavier than Opal.
  1. What is Sabrina's mass in terms of q?
  2. If q = 10, what is Sabrina's mass?