Question
37 of the markers in a bag were brown and the rest were black and red. 10% of the black markers and 25% of the red markers were thrown away. There was an equal number of black and red markers left. If there were 324 black and red markers left,
  1. What was the number of brown markers?
  2. What was the total number of markers in the bag at first?
5 m
(a)

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(b)

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37 of the markers in a bag were brown and the rest were black and red. 10% of the black markers and 25% of the red markers were thrown away. There was an equal number of black and red markers left. If there were 324 black and red markers left,
  1. What was the number of brown markers?
  2. What was the total number of markers in the bag at first?