Question
The total mass of Hazel, Yoko and Hilda is 25g kg. Hazel has a mass of 4g kg. Yoko is 9 kg heavier than Hazel.
  1. What is Hilda's mass in terms of g?
  2. If g = 9, what is Hilda's mass? 
3 m
(a)

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(b)

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The total mass of Hazel, Yoko and Hilda is 25g kg. Hazel has a mass of 4g kg. Yoko is 9 kg heavier than Hazel.
  1. What is Hilda's mass in terms of g?
  2. If g = 9, what is Hilda's mass?