Question
The total mass of Nora, Esther and Winnie is 25h kg. Nora has a mass of 7h kg. Esther is 5 kg heavier than Nora.
  1. What is Winnie's mass in terms of h?
  2. If h = 15, what is Winnie's mass? 
3 m
(a)

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(b)

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The total mass of Nora, Esther and Winnie is 25h kg. Nora has a mass of 7h kg. Esther is 5 kg heavier than Nora.
  1. What is Winnie's mass in terms of h?
  2. If h = 15, what is Winnie's mass?