Question
The total mass of Esther, Jane and Usha is 34z kg. Esther has a mass of 9z kg. Jane is 8 kg heavier than Esther.
  1. What is Usha's mass in terms of z?
  2. If z = 9, what is Usha's mass? 
3 m
(a)

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(b)

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The total mass of Esther, Jane and Usha is 34z kg. Esther has a mass of 9z kg. Jane is 8 kg heavier than Esther.
  1. What is Usha's mass in terms of z?
  2. If z = 9, what is Usha's mass?