Question
PSLE
Hazel had a basket of red balls and black balls in the ratio 17 : 8. She removed an equal number of red balls and black balls from the basket. The ratio of the number of red balls and black balls left in the basket became 5 : 2. What percentage of the balls were left in the basket?
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PSLE
Hazel had a basket of red balls and black balls in the ratio 17 : 8. She removed an equal number of red balls and black balls from the basket. The ratio of the number of red balls and black balls left in the basket became 5 : 2. What percentage of the balls were left in the basket?