Question
PSLE
Tammy had a box of blue balls and yellow balls in the ratio 16 : 9. She removed an equal number of blue balls and yellow balls from the box. The ratio of the number of blue balls and yellow balls left in the box became 10 : 3. What percentage of the balls were left in the box?
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PSLE
Tammy had a box of blue balls and yellow balls in the ratio 16 : 9. She removed an equal number of blue balls and yellow balls from the box. The ratio of the number of blue balls and yellow balls left in the box became 10 : 3. What percentage of the balls were left in the box?