Question
PSLE
A box contained yellow beads and purple beads. 40% of the beads were purple. After some red beads were added to the box, 10% of the beads were purple. What percentage of the beads in the box were red?
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PSLE
A box contained yellow beads and purple beads. 40% of the beads were purple. After some red beads were added to the box, 10% of the beads were purple. What percentage of the beads in the box were red?