Question
PSLE
Xuan had a basket of purple beads and grey beads in the ratio 13 : 7. She removed an equal number of purple beads and grey beads from the basket. The ratio of the number of purple beads and grey beads left in the basket became 6 : 1. What percentage of the beads were left in the basket?
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PSLE
Xuan had a basket of purple beads and grey beads in the ratio 13 : 7. She removed an equal number of purple beads and grey beads from the basket. The ratio of the number of purple beads and grey beads left in the basket became 6 : 1. What percentage of the beads were left in the basket?