Question
PSLE
Risa had a basket of white marbles and grey marbles in the ratio 17 : 8. She removed an equal number of white marbles and grey marbles from the basket. The ratio of the number of white marbles and grey marbles left in the basket became 4 : 1. What percentage of the marbles were left in the basket?
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PSLE
Risa had a basket of white marbles and grey marbles in the ratio 17 : 8. She removed an equal number of white marbles and grey marbles from the basket. The ratio of the number of white marbles and grey marbles left in the basket became 4 : 1. What percentage of the marbles were left in the basket?