Question
There are thrice as many grey windbreakers as brown windbreakers in a sale. If there are 168 grey and brown windbreakers altogether,
  1. how many grey windbreakers are there?
  2. how many more grey windbreakers than brown windbreakers?
3 m
(a)

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(b)

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There are thrice as many grey windbreakers as brown windbreakers in a sale. If there are 168 grey and brown windbreakers altogether,
  1. how many grey windbreakers are there?
  2. how many more grey windbreakers than brown windbreakers?