Question
PSLE
Abi had a box of grey marbles and silver marbles in the ratio 17 : 8. She removed an equal number of grey marbles and silver marbles from the box. The ratio of the number of grey marbles and silver marbles left in the box became 10 : 1. What percentage of the marbles were left in the box?
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PSLE
Abi had a box of grey marbles and silver marbles in the ratio 17 : 8. She removed an equal number of grey marbles and silver marbles from the box. The ratio of the number of grey marbles and silver marbles left in the box became 10 : 1. What percentage of the marbles were left in the box?