Question
79 of the pens in a bag were purple and the rest were pink and red. 40% of the pink pens and 20% of the red pens were thrown away. There was an equal number of pink and red pens left. If there were 432 pink and red pens left,
  1. What was the number of purple 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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79 of the pens in a bag were purple and the rest were pink and red. 40% of the pink pens and 20% of the red pens were thrown away. There was an equal number of pink and red pens left. If there were 432 pink and red pens left,
  1. What was the number of purple pens?
  2. What was the total number of pens in the bag at first?