Question
PSLE
Shiyun had a bag of green beads and brown beads in the ratio 13 : 7. She removed an equal number of green beads and brown beads from the bag. The ratio of the number of green beads and brown beads left in the bag became 5 : 2. What percentage of the beads were left in the bag?
2 m

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PSLE
Shiyun had a bag of green beads and brown beads in the ratio 13 : 7. She removed an equal number of green beads and brown beads from the bag. The ratio of the number of green beads and brown beads left in the bag became 5 : 2. What percentage of the beads were left in the bag?