Question
PSLE
Lucy had a basket of white balls and brown balls in the ratio 13 : 9. She removed an equal number of white balls and brown balls from the basket. The ratio of the number of white balls and brown balls left in the basket became 8 : 3. What percentage of the balls were left in the basket?
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PSLE
Lucy had a basket of white balls and brown balls in the ratio 13 : 9. She removed an equal number of white balls and brown balls from the basket. The ratio of the number of white balls and brown balls left in the basket became 8 : 3. What percentage of the balls were left in the basket?