Question
79 of the crayons in a bag were brown and the rest were black and red. 20% of the black crayons and 30% of the red crayons were thrown away. There was an equal number of black and red crayons left. If there were 224 black and red crayons left,
  1. What was the number of brown crayons?
  2. What was the total number of crayons in the bag at first?
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(a)

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(b)

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79 of the crayons in a bag were brown and the rest were black and red. 20% of the black crayons and 30% of the red crayons were thrown away. There was an equal number of black and red crayons left. If there were 224 black and red crayons left,
  1. What was the number of brown crayons?
  2. What was the total number of crayons in the bag at first?