Question
PSLE
A box contained brown marbles and green marbles. 40% of the marbles were green. After some gold marbles were added to the box, 36% of the marbles were green. What percentage of the marbles in the box were gold?
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PSLE
A box contained brown marbles and green marbles. 40% of the marbles were green. After some gold marbles were added to the box, 36% of the marbles were green. What percentage of the marbles in the box were gold?