Question
PSLE
At first, a box contained 12 grey beads and some blue beads. After some grey beads were added, 38 of the beads were blue. After 95 brown beads were added to the box and now, 313 of the beads were blue. What was the number of grey beads added?
2 m

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PSLE
At first, a box contained 12 grey beads and some blue beads. After some grey beads were added, 38 of the beads were blue. After 95 brown beads were added to the box and now, 313 of the beads were blue. What was the number of grey beads added?