Question
PSLE
A box contained red beads and silver beads. 70% of the beads were silver. After some grey beads were added to the box, 49% of the beads were silver. What percentage of the beads in the box were grey?
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PSLE
A box contained red beads and silver beads. 70% of the beads were silver. After some grey beads were added to the box, 49% of the beads were silver. What percentage of the beads in the box were grey?