Question
The total mass of Abi, Nicole and Risa is 45e kg. Abi has a mass of 7e kg. Nicole is 6 kg heavier than Abi.
  1. What is Risa's mass in terms of e?
  2. If e = 9, what is Risa's mass? 
3 m
(a)

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(b)

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The total mass of Abi, Nicole and Risa is 45e kg. Abi has a mass of 7e kg. Nicole is 6 kg heavier than Abi.
  1. What is Risa's mass in terms of e?
  2. If e = 9, what is Risa's mass?