Question
PSLE
Natalie has a number of markers in three colours: red, green and brown. 27 of the markers are red. The number of red markers is thrice the number of green markers. What fraction of the markers is brown?
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PSLE
Natalie has a number of markers in three colours: red, green and brown. 27 of the markers are red. The number of red markers is thrice the number of green markers. What fraction of the markers is brown?