Question
PSLE
Erika had a basket of purple balls and gold balls in the ratio 17 : 8. She removed an equal number of purple balls and gold balls from the basket. The ratio of the number of purple balls and gold balls left in the basket became 7 : 3. What percentage of the balls were left in the basket?
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PSLE
Erika had a basket of purple balls and gold balls in the ratio 17 : 8. She removed an equal number of purple balls and gold balls from the basket. The ratio of the number of purple balls and gold balls left in the basket became 7 : 3. What percentage of the balls were left in the basket?