Question
PSLE
Tom kept his brown and black stars in two boxes. The ratio of the number of brown to black stars in the first box was 5 : 7 and it was 1 : 3 in the second box. The two boxes contained the same number of stars. What fraction of Tom's stars were brown stars?
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PSLE
Tom kept his brown and black stars in two boxes. The ratio of the number of brown to black stars in the first box was 5 : 7 and it was 1 : 3 in the second box. The two boxes contained the same number of stars. What fraction of Tom's stars were brown stars?