Question
The total mass of Esther, Kathy and Gwen is 30v kg. Esther has a mass of 8v kg. Kathy is 6 kg heavier than Esther.
  1. What is Gwen's mass in terms of v?
  2. If v = 15, what is Gwen's mass? 
3 m
(a)

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(b)

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The total mass of Esther, Kathy and Gwen is 30v kg. Esther has a mass of 8v kg. Kathy is 6 kg heavier than Esther.
  1. What is Gwen's mass in terms of v?
  2. If v = 15, what is Gwen's mass?