Question
PSLE
Ryan kept his black and yellow stars in two boxes. The ratio of the number of black to yellow stars in the first box was 1 : 5 and it was 1 : 9 in the second box. The two boxes contained the same number of stars. What fraction of Ryan's stars were black stars?
2 m

Click button first when a symbol is required. X

PSLE
Ryan kept his black and yellow stars in two boxes. The ratio of the number of black to yellow stars in the first box was 1 : 5 and it was 1 : 9 in the second box. The two boxes contained the same number of stars. What fraction of Ryan's stars were black stars?