Question
PSLE
Kylie has a number of notebooks in three colours: purple, yellow and brown. 511 of the notebooks are purple. The number of purple notebooks is twice the number of yellow notebooks. What fraction of the notebooks is brown?
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PSLE
Kylie has a number of notebooks in three colours: purple, yellow and brown. 511 of the notebooks are purple. The number of purple notebooks is twice the number of yellow notebooks. What fraction of the notebooks is brown?