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