Question
PSLE
Irene has a number of notebooks in three colours: orange, yellow and green. 211 of the notebooks are orange. The number of orange notebooks is four times the number of yellow notebooks. What fraction of the notebooks is green?
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PSLE
Irene has a number of notebooks in three colours: orange, yellow and green. 211 of the notebooks are orange. The number of orange notebooks is four times the number of yellow notebooks. What fraction of the notebooks is green?