Question
PSLE
Wesley kept his silver and black balls in two boxes. The ratio of the number of silver to black balls in the first box was 5 : 7 and it was 1 : 2 in the second box. The two boxes contained the same number of balls. What fraction of Wesley's balls were silver balls?
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PSLE
Wesley kept his silver and black balls in two boxes. The ratio of the number of silver to black balls in the first box was 5 : 7 and it was 1 : 2 in the second box. The two boxes contained the same number of balls. What fraction of Wesley's balls were silver balls?