Question
PSLE
At first, a box contained 6 purple balls and some white beads. After some purple balls were added, 58 of the balls were white. After 24 blue balls were added to the box and now, 512 of the beads were white. What was the number of purple balls added?
2 m

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PSLE
At first, a box contained 6 purple balls and some white beads. After some purple balls were added, 58 of the balls were white. After 24 blue balls were added to the box and now, 512 of the beads were white. What was the number of purple balls added?