Question
PSLE
Shannon had a basket of grey marbles and yellow marbles in the ratio 17 : 8. She removed an equal number of grey marbles and yellow marbles from the basket. The ratio of the number of grey marbles and yellow marbles left in the basket became 3 : 1. What percentage of the marbles were left in the basket?
2 m

Click button first when a symbol is required. X

PSLE
Shannon had a basket of grey marbles and yellow marbles in the ratio 17 : 8. She removed an equal number of grey marbles and yellow marbles from the basket. The ratio of the number of grey marbles and yellow marbles left in the basket became 3 : 1. What percentage of the marbles were left in the basket?