Question
PSLE
At first, a container contained 5 gold balls and some white beads. After some gold balls were added, 37 of the balls were white. After 18 green balls were added to the container and now, 310 of the beads were white. What was the number of gold balls added?
2 m

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PSLE
At first, a container contained 5 gold balls and some white beads. After some gold balls were added, 37 of the balls were white. After 18 green balls were added to the container and now, 310 of the beads were white. What was the number of gold balls added?