Question
PSLE
Michael kept his purple and green balls in two boxes. The ratio of the number of purple to green balls in the first box was 3 : 7 and it was 1 : 4 in the second box. The two boxes contained the same number of balls. What fraction of Michael's balls were purple balls?
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PSLE
Michael kept his purple and green balls in two boxes. The ratio of the number of purple to green balls in the first box was 3 : 7 and it was 1 : 4 in the second box. The two boxes contained the same number of balls. What fraction of Michael's balls were purple balls?