Question
The total mass of Vanessa, Anna and Shiyun is 38w kg. Vanessa has a mass of 4w kg. Anna is 5 kg heavier than Vanessa.
  1. What is Shiyun's mass in terms of w?
  2. If w = 15, what is Shiyun's mass? 
3 m
(a)

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(b)

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The total mass of Vanessa, Anna and Shiyun is 38w kg. Vanessa has a mass of 4w kg. Anna is 5 kg heavier than Vanessa.
  1. What is Shiyun's mass in terms of w?
  2. If w = 15, what is Shiyun's mass?