Question
58 of the markers in a bag were black and the rest were green and grey. 30% of the green markers and 20% of the grey markers were thrown away. There was an equal number of green and grey markers left. If there were 280 green and grey markers left,
  1. What was the number of black markers?
  2. What was the total number of markers in the bag at first?
5 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

58 of the markers in a bag were black and the rest were green and grey. 30% of the green markers and 20% of the grey markers were thrown away. There was an equal number of green and grey markers left. If there were 280 green and grey markers left,
  1. What was the number of black markers?
  2. What was the total number of markers in the bag at first?