Question
PSLE
A box contained gold beads and grey beads. 30% of the beads were grey. After some silver beads were added to the box, 15% of the beads were grey. What percentage of the beads in the box were silver?
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PSLE
A box contained gold beads and grey beads. 30% of the beads were grey. After some silver beads were added to the box, 15% of the beads were grey. What percentage of the beads in the box were silver?