Question
PSLE
Jaslyn had a box of red beads and black beads in the ratio 13 : 7. She removed an equal number of red beads and black beads from the box. The ratio of the number of red beads and black beads left in the box became 7 : 3. What percentage of the beads were left in the box?
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PSLE
Jaslyn had a box of red beads and black beads in the ratio 13 : 7. She removed an equal number of red beads and black beads from the box. The ratio of the number of red beads and black beads left in the box became 7 : 3. What percentage of the beads were left in the box?