Question
PSLE
Eva has a number of markers in three colours: red, blue and orange. 511 of the markers are red. The number of red markers is twice the number of blue markers. What fraction of the markers is orange?
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PSLE
Eva has a number of markers in three colours: red, blue and orange. 511 of the markers are red. The number of red markers is twice the number of blue markers. What fraction of the markers is orange?