Question
PSLE
A box contained brown beads and yellow beads. 60% of the beads were yellow. After some white beads were added to the box, 21% of the beads were yellow. What percentage of the beads in the box were white?
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PSLE
A box contained brown beads and yellow beads. 60% of the beads were yellow. After some white beads were added to the box, 21% of the beads were yellow. What percentage of the beads in the box were white?