Question
PSLE
Rachel has a number of markers in three colours: orange, brown and red. 15 of the markers are orange. The number of orange markers is twice the number of brown markers. What fraction of the markers is red?
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PSLE
Rachel has a number of markers in three colours: orange, brown and red. 15 of the markers are orange. The number of orange markers is twice the number of brown markers. What fraction of the markers is red?