Question
PSLE
At first, a container contained 12 pink balls and some white beads. After some pink balls were added, 57 of the balls were white. After 60 green balls were added to the container and now, 512 of the beads were white. What was the number of pink balls added?
2 m

Click button first when a symbol is required. X

PSLE
At first, a container contained 12 pink balls and some white beads. After some pink balls were added, 57 of the balls were white. After 60 green balls were added to the container and now, 512 of the beads were white. What was the number of pink balls added?