Question
PSLE
Raeann had a basket of grey balls and red balls in the ratio 17 : 9. She removed an equal number of grey balls and red balls from the basket. The ratio of the number of grey balls and red balls left in the basket became 9 : 4. What percentage of the balls were left in the basket?
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PSLE
Raeann had a basket of grey balls and red balls in the ratio 17 : 9. She removed an equal number of grey balls and red balls from the basket. The ratio of the number of grey balls and red balls left in the basket became 9 : 4. What percentage of the balls were left in the basket?