Question
PSLE
Usha has a number of notebooks in three colours: red, purple and blue. 25 of the notebooks are red. The number of red notebooks is thrice the number of purple notebooks. What fraction of the notebooks is blue?
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PSLE
Usha has a number of notebooks in three colours: red, purple and blue. 25 of the notebooks are red. The number of red notebooks is thrice the number of purple notebooks. What fraction of the notebooks is blue?