Question
PSLE
Gwen has a number of markers in three colours: blue, orange and red. 12 of the markers are blue. The number of blue markers is twice the number of orange markers. What fraction of the markers is red?
2 m

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PSLE
Gwen has a number of markers in three colours: blue, orange and red. 12 of the markers are blue. The number of blue markers is twice the number of orange markers. What fraction of the markers is red?