Question
PSLE
A box contained grey marbles and silver marbles. 60% of the marbles were silver. After some white marbles were added to the box, 42% of the marbles were silver. What percentage of the marbles in the box were white?
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PSLE
A box contained grey marbles and silver marbles. 60% of the marbles were silver. After some white marbles were added to the box, 42% of the marbles were silver. What percentage of the marbles in the box were white?