Question
The total mass of Pamela, Elyse and Shiyun is 42n kg. Pamela has a mass of 5n kg. Elyse is 4 kg heavier than Pamela.
  1. What is Shiyun's mass in terms of n?
  2. If n = 13, what is Shiyun's mass? 
3 m
(a)

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(b)

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The total mass of Pamela, Elyse and Shiyun is 42n kg. Pamela has a mass of 5n kg. Elyse is 4 kg heavier than Pamela.
  1. What is Shiyun's mass in terms of n?
  2. If n = 13, what is Shiyun's mass?