Question
PSLE
Victoria had a basket of brown beads and black beads in the ratio 13 : 7. She removed an equal number of brown beads and black beads from the basket. The ratio of the number of brown beads and black beads left in the basket became 4 : 1. What percentage of the beads were left in the basket?
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PSLE
Victoria had a basket of brown beads and black beads in the ratio 13 : 7. She removed an equal number of brown beads and black beads from the basket. The ratio of the number of brown beads and black beads left in the basket became 4 : 1. What percentage of the beads were left in the basket?