Question
PSLE
Sabrina has a number of markers in three colours: blue, green and yellow. 17 of the markers are blue. The number of blue markers is twice the number of green markers. What fraction of the markers is yellow?
2 m

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PSLE
Sabrina has a number of markers in three colours: blue, green and yellow. 17 of the markers are blue. The number of blue markers is twice the number of green markers. What fraction of the markers is yellow?