Question
PSLE
Luis kept his pink and black stars in two boxes. The ratio of the number of pink to black stars in the first box was 3 : 4 and it was 1 : 2 in the second box. The two boxes contained the same number of stars. What fraction of Luis's stars were black stars?
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PSLE
Luis kept his pink and black stars in two boxes. The ratio of the number of pink to black stars in the first box was 3 : 4 and it was 1 : 2 in the second box. The two boxes contained the same number of stars. What fraction of Luis's stars were black stars?