Question
47 of the pens in a bag were brown and the rest were black and pink. 10% of the black pens and 25% of the pink pens were thrown away. There was an equal number of black and pink pens left. If there were 432 black and pink pens left,
  1. What was the number of brown pens?
  2. What was the total number of pens in the bag at first?
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(a)

Click button first when a symbol is required. X

(b)

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47 of the pens in a bag were brown and the rest were black and pink. 10% of the black pens and 25% of the pink pens were thrown away. There was an equal number of black and pink pens left. If there were 432 black and pink pens left,
  1. What was the number of brown pens?
  2. What was the total number of pens in the bag at first?