Question
PSLE
Tammy has a number of markers in three colours: yellow, red and orange. 13 of the markers are yellow. The number of yellow markers is four times the number of red markers. What fraction of the markers is orange?
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PSLE
Tammy has a number of markers in three colours: yellow, red and orange. 13 of the markers are yellow. The number of yellow markers is four times the number of red markers. What fraction of the markers is orange?