Question
PSLE
Mark kept his brown and yellow buttons in two boxes. The ratio of the number of brown to yellow buttons in the first box was 1 : 5 and it was 1 : 2 in the second box. The two boxes contained the same number of buttons. What fraction of Mark's buttons were brown buttons?
2 m

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PSLE
Mark kept his brown and yellow buttons in two boxes. The ratio of the number of brown to yellow buttons in the first box was 1 : 5 and it was 1 : 2 in the second box. The two boxes contained the same number of buttons. What fraction of Mark's buttons were brown buttons?