Question
PSLE
At first, a container contained 2 white marbles and some gold beads. After some white marbles were added, 35 of the marbles were gold. After 50 green marbles were added to the container and now, 310 of the beads were gold. What was the number of white marbles added?
2 m

Click button first when a symbol is required. X

PSLE
At first, a container contained 2 white marbles and some gold beads. After some white marbles were added, 35 of the marbles were gold. After 50 green marbles were added to the container and now, 310 of the beads were gold. What was the number of white marbles added?