Question
PSLE
At first, a container contained 5 green marbles and some blue beads. After some green marbles were added, 25 of the marbles were blue. After 36 white marbles were added to the container and now, 29 of the beads were blue. What was the number of green marbles added?
2 m

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PSLE
At first, a container contained 5 green marbles and some blue beads. After some green marbles were added, 25 of the marbles were blue. After 36 white marbles were added to the container and now, 29 of the beads were blue. What was the number of green marbles added?