Question
PSLE
Natalie had a bag of gold balls and purple balls in the ratio 17 : 8. She removed an equal number of gold balls and purple balls from the bag. The ratio of the number of gold balls and purple balls left in the bag became 7 : 1. What percentage of the balls were left in the bag?
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PSLE
Natalie had a bag of gold balls and purple balls in the ratio 17 : 8. She removed an equal number of gold balls and purple balls from the bag. The ratio of the number of gold balls and purple balls left in the bag became 7 : 1. What percentage of the balls were left in the bag?