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