Question
The total mass of Mary, Risa and Hazel is 34t kg. Mary has a mass of 4t kg. Risa is 7 kg heavier than Mary.
  1. What is Hazel's mass in terms of t?
  2. If t = 12, what is Hazel's mass? 
3 m
(a)

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(b)

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The total mass of Mary, Risa and Hazel is 34t kg. Mary has a mass of 4t kg. Risa is 7 kg heavier than Mary.
  1. What is Hazel's mass in terms of t?
  2. If t = 12, what is Hazel's mass?