Question
57 of the pencils in a bag were red and the rest were yellow and white. 35% of the yellow pencils and 40% of the white pencils were thrown away. There was an equal number of yellow and white pencils left. If there were 312 yellow and white 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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57 of the pencils in a bag were red and the rest were yellow and white. 35% of the yellow pencils and 40% of the white pencils were thrown away. There was an equal number of yellow and white pencils left. If there were 312 yellow and white pencils left,
  1. What was the number of red pencils?
  2. What was the total number of pencils in the bag at first?