Question
PSLE
Dana has a number of pencils in three colours: red, green and yellow. 25 of the pencils are red. The number of red pencils is thrice the number of green pencils. What fraction of the pencils is yellow?
2 m

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PSLE
Dana has a number of pencils in three colours: red, green and yellow. 25 of the pencils are red. The number of red pencils is thrice the number of green pencils. What fraction of the pencils is yellow?