Question
The total mass of Abi, Sabrina and Esther is 40s kg. Abi has a mass of 8s kg. Sabrina is 6 kg heavier than Abi.
  1. What is Esther's mass in terms of s?
  2. If s = 15, what is Esther's mass? 
3 m
(a)

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(b)

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The total mass of Abi, Sabrina and Esther is 40s kg. Abi has a mass of 8s kg. Sabrina is 6 kg heavier than Abi.
  1. What is Esther's mass in terms of s?
  2. If s = 15, what is Esther's mass?