Question
PSLE
Jaslyn had a box of black balls and blue balls in the ratio 17 : 8. She removed an equal number of black balls and blue balls from the box. The ratio of the number of black balls and blue balls left in the box became 5 : 1. What percentage of the balls were left in the box?
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PSLE
Jaslyn had a box of black balls and blue balls in the ratio 17 : 8. She removed an equal number of black balls and blue balls from the box. The ratio of the number of black balls and blue balls left in the box became 5 : 1. What percentage of the balls were left in the box?