Question
PSLE
A box contained silver marbles and gold marbles. 40% of the marbles were gold. After some red marbles were added to the box, 24% of the marbles were gold. What percentage of the marbles in the box were red?
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PSLE
A box contained silver marbles and gold marbles. 40% of the marbles were gold. After some red marbles were added to the box, 24% of the marbles were gold. What percentage of the marbles in the box were red?