Question
15 of the markers in a bag were grey and the rest were brown and white. 25% of the brown markers and 10% of the white markers were thrown away. There was an equal number of brown and white markers left. If there were 288 brown and white markers left,
  1. What was the number of grey 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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15 of the markers in a bag were grey and the rest were brown and white. 25% of the brown markers and 10% of the white markers were thrown away. There was an equal number of brown and white markers left. If there were 288 brown and white markers left,
  1. What was the number of grey markers?
  2. What was the total number of markers in the bag at first?