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