Question
PSLE
Xylia had a box of purple marbles and silver marbles in the ratio 16 : 9. She removed an equal number of purple marbles and silver marbles from the box. The ratio of the number of purple marbles and silver marbles left in the box became 10 : 3. What percentage of the marbles were left in the box?
2 m

Click button first when a symbol is required. X

PSLE
Xylia had a box of purple marbles and silver marbles in the ratio 16 : 9. She removed an equal number of purple marbles and silver marbles from the box. The ratio of the number of purple marbles and silver marbles left in the box became 10 : 3. What percentage of the marbles were left in the box?