Question
PSLE
Jane had a box of gold balls and green balls in the ratio 13 : 9. She removed an equal number of gold balls and green balls from the box. The ratio of the number of gold balls and green balls left in the box became 8 : 3. What percentage of the balls were left in the box?
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PSLE
Jane had a box of gold balls and green balls in the ratio 13 : 9. She removed an equal number of gold balls and green balls from the box. The ratio of the number of gold balls and green balls left in the box became 8 : 3. What percentage of the balls were left in the box?