Question
PSLE
Olivia has a number of markers in three colours: orange, yellow and brown. 18 of the markers are orange. The number of orange markers is four times the number of yellow markers. What fraction of the markers is brown?
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PSLE
Olivia has a number of markers in three colours: orange, yellow and brown. 18 of the markers are orange. The number of orange markers is four times the number of yellow markers. What fraction of the markers is brown?