Question
PSLE
Kimberly had a basket of yellow balls and pink balls in the ratio 16 : 9. She removed an equal number of yellow balls and pink balls from the basket. The ratio of the number of yellow balls and pink balls left in the basket became 9 : 1. What percentage of the balls were left in the basket?
2 m

Click button first when a symbol is required. X

PSLE
Kimberly had a basket of yellow balls and pink balls in the ratio 16 : 9. She removed an equal number of yellow balls and pink balls from the basket. The ratio of the number of yellow balls and pink balls left in the basket became 9 : 1. What percentage of the balls were left in the basket?