Question
The total mass of Marion, Hilda and Hazel is 29j kg. Marion has a mass of 8j kg. Hilda is 4 kg heavier than Marion.
  1. What is Hazel's mass in terms of j?
  2. If j = 12, what is Hazel's mass? 
3 m
(a)

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(b)

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The total mass of Marion, Hilda and Hazel is 29j kg. Marion has a mass of 8j kg. Hilda is 4 kg heavier than Marion.
  1. What is Hazel's mass in terms of j?
  2. If j = 12, what is Hazel's mass?