Question
PSLE
Cindy had a bag of silver balls and blue balls in the ratio 16 : 9. She removed an equal number of silver balls and blue balls from the bag. The ratio of the number of silver balls and blue balls left in the bag became 5 : 1. What percentage of the balls were left in the bag?
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PSLE
Cindy had a bag of silver balls and blue balls in the ratio 16 : 9. She removed an equal number of silver balls and blue balls from the bag. The ratio of the number of silver balls and blue balls left in the bag became 5 : 1. What percentage of the balls were left in the bag?