Question
The total mass of Vanessa, Barbara and Abi is 23y kg. Vanessa has a mass of 8y kg. Barbara is 9 kg heavier than Vanessa.
  1. What is Abi's mass in terms of y?
  2. If y = 11, what is Abi's mass? 
3 m
(a)

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(b)

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The total mass of Vanessa, Barbara and Abi is 23y kg. Vanessa has a mass of 8y kg. Barbara is 9 kg heavier than Vanessa.
  1. What is Abi's mass in terms of y?
  2. If y = 11, what is Abi's mass?