Question
37 of the pencils in a bag were red and the rest were silver and brown. 20% of the silver pencils and 25% of the brown pencils were thrown away. There was an equal number of silver and brown pencils left. If there were 480 silver and brown pencils left,
  1. What was the number of red 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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37 of the pencils in a bag were red and the rest were silver and brown. 20% of the silver pencils and 25% of the brown pencils were thrown away. There was an equal number of silver and brown pencils left. If there were 480 silver and brown pencils left,
  1. What was the number of red pencils?
  2. What was the total number of pencils in the bag at first?