Question
PSLE
A box contained red marbles and green marbles. 60% of the marbles were green. After some pink marbles were added to the box, 51% of the marbles were green. What percentage of the marbles in the box were pink?
2 m

Click button first when a symbol is required. X

PSLE
A box contained red marbles and green marbles. 60% of the marbles were green. After some pink marbles were added to the box, 51% of the marbles were green. What percentage of the marbles in the box were pink?