Question
35 of the pencils in a bag were grey and the rest were silver and yellow. 40% of the silver pencils and 25% of the yellow pencils were thrown away. There was an equal number of silver and yellow pencils left. If there were 324 silver and yellow pencils left,
  1. What was the number of grey pencils?
  2. What was the total number of pencils in the bag at first?
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(a)

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(b)

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35 of the pencils in a bag were grey and the rest were silver and yellow. 40% of the silver pencils and 25% of the yellow pencils were thrown away. There was an equal number of silver and yellow pencils left. If there were 324 silver and yellow pencils left,
  1. What was the number of grey pencils?
  2. What was the total number of pencils in the bag at first?