Question
PSLE
Abi had a box of brown beads and yellow beads in the ratio 16 : 9. She removed an equal number of brown beads and yellow beads from the box. The ratio of the number of brown beads and yellow beads left in the box became 3 : 1. What percentage of the beads were left in the box?
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PSLE
Abi had a box of brown beads and yellow beads in the ratio 16 : 9. She removed an equal number of brown beads and yellow beads from the box. The ratio of the number of brown beads and yellow beads left in the box became 3 : 1. What percentage of the beads were left in the box?