Question
PSLE
Dana had a basket of grey marbles and yellow marbles in the ratio 16 : 9. She removed an equal number of grey marbles and yellow marbles from the basket. The ratio of the number of grey marbles and yellow marbles left in the basket became 9 : 5. What percentage of the marbles were left in the basket?
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PSLE
Dana had a basket of grey marbles and yellow marbles in the ratio 16 : 9. She removed an equal number of grey marbles and yellow marbles from the basket. The ratio of the number of grey marbles and yellow marbles left in the basket became 9 : 5. What percentage of the marbles were left in the basket?