Question
PSLE
A box contained green beads and purple beads. 30% of the beads were purple. After some silver beads were added to the box, 21% of the beads were purple. What percentage of the beads in the box were silver?
2 m

Click button first when a symbol is required. X

PSLE
A box contained green beads and purple beads. 30% of the beads were purple. After some silver beads were added to the box, 21% of the beads were purple. What percentage of the beads in the box were silver?