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