Question
There were some white, pink and purple notebooks in a box. 111 of the notebooks were pink. The ratio of the number of white notebooks to the number of purple notebooks was 3 : 7. There were 276 fewer pink notebooks than purple notebooks.
  1. Find the ratio of the number of white notebooks to the number of pink notebooks to the number of purple notebooks in the box.
  2. How many purple notebooks were there?
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(a)

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(b)

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There were some white, pink and purple notebooks in a box. 111 of the notebooks were pink. The ratio of the number of white notebooks to the number of purple notebooks was 3 : 7. There were 276 fewer pink notebooks than purple notebooks.
  1. Find the ratio of the number of white notebooks to the number of pink notebooks to the number of purple notebooks in the box.
  2. How many purple notebooks were there?