Question
PSLE
Jean has a number of markers in three colours: purple, blue and yellow. 25 of the markers are purple. The number of purple markers is thrice the number of blue markers. What fraction of the markers is yellow?
2 m

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PSLE
Jean has a number of markers in three colours: purple, blue and yellow. 25 of the markers are purple. The number of purple markers is thrice the number of blue markers. What fraction of the markers is yellow?