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

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PSLE
Risa has a number of markers in three colours: yellow, green and red. 12 of the markers are yellow. The number of yellow markers is twice the number of green markers. What fraction of the markers is red?