Question
PSLE
Xylia had a basket of grey beads and blue beads in the ratio 13 : 7. She removed an equal number of grey beads and blue beads from the basket. The ratio of the number of grey beads and blue beads left in the basket became 9 : 4. What percentage of the beads were left in the basket?
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PSLE
Xylia had a basket of grey beads and blue beads in the ratio 13 : 7. She removed an equal number of grey beads and blue beads from the basket. The ratio of the number of grey beads and blue beads left in the basket became 9 : 4. What percentage of the beads were left in the basket?