Question
PSLE
A box contained yellow beads and white beads. 70% of the beads were white. After some brown beads were added to the box, 21% of the beads were white. What percentage of the beads in the box were brown?
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PSLE
A box contained yellow beads and white beads. 70% of the beads were white. After some brown beads were added to the box, 21% of the beads were white. What percentage of the beads in the box were brown?