Question
PSLE
Tammy had a bag of silver balls and purple balls in the ratio 18 : 7. She removed an equal number of silver balls and purple balls from the bag. The ratio of the number of silver balls and purple balls left in the bag became 5 : 1. What percentage of the balls were left in the bag?
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PSLE
Tammy had a bag of silver balls and purple balls in the ratio 18 : 7. She removed an equal number of silver balls and purple balls from the bag. The ratio of the number of silver balls and purple balls left in the bag became 5 : 1. What percentage of the balls were left in the bag?