Question
PSLE
Lynn had a bag of gold marbles and brown marbles in the ratio 16 : 9. She removed an equal number of gold marbles and brown marbles from the bag. The ratio of the number of gold marbles and brown marbles left in the bag became 9 : 5. What percentage of the marbles were left in the bag?
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PSLE
Lynn had a bag of gold marbles and brown marbles in the ratio 16 : 9. She removed an equal number of gold marbles and brown marbles from the bag. The ratio of the number of gold marbles and brown marbles left in the bag became 9 : 5. What percentage of the marbles were left in the bag?