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