Question
There are thrice as many pink vests as white vests in a sale. If there are 172 pink and white vests altogether,
  1. how many pink vests are there?
  2. how many more pink vests than white vests?
3 m
(a)

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(b)

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There are thrice as many pink vests as white vests in a sale. If there are 172 pink and white vests altogether,
  1. how many pink vests are there?
  2. how many more pink vests than white vests?