Question
PSLE
A box contained black beads and gold beads. 60% of the beads were gold. After some grey beads were added to the box, 39% of the beads were gold. What percentage of the beads in the box were grey?
2 m

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PSLE
A box contained black beads and gold beads. 60% of the beads were gold. After some grey beads were added to the box, 39% of the beads were gold. What percentage of the beads in the box were grey?