Question
PSLE
Eva had a basket of gold marbles and brown marbles in the ratio 17 : 7. She removed an equal number of gold marbles and brown marbles from the basket. The ratio of the number of gold marbles and brown marbles left in the basket became 7 : 2. What percentage of the marbles were left in the basket?
2 m

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PSLE
Eva had a basket of gold marbles and brown marbles in the ratio 17 : 7. She removed an equal number of gold marbles and brown marbles from the basket. The ratio of the number of gold marbles and brown marbles left in the basket became 7 : 2. What percentage of the marbles were left in the basket?