Question
PSLE
A box contained red marbles and white marbles. 40% of the marbles were white. After some brown marbles were added to the box, 14% of the marbles were white. What percentage of the marbles in the box were brown?
2 m

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PSLE
A box contained red marbles and white marbles. 40% of the marbles were white. After some brown marbles were added to the box, 14% of the marbles were white. What percentage of the marbles in the box were brown?