Question
PSLE
A box contained red beads and purple beads. 30% of the beads were purple. After some gold beads were added to the box, 21% of the beads were purple. What percentage of the beads in the box were gold?
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PSLE
A box contained red beads and purple beads. 30% of the beads were purple. After some gold beads were added to the box, 21% of the beads were purple. What percentage of the beads in the box were gold?