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

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