Question
Harry had 6 more black beads than grey beads at first. His father then gave him 17 black beads and his schoolmates gave him 128 grey beads for Christmas. Harry realised that he now had four times as many grey beads as black beads. How many beads did Harry have in the end?
4 m

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Harry had 6 more black beads than grey beads at first. His father then gave him 17 black beads and his schoolmates gave him 128 grey beads for Christmas. Harry realised that he now had four times as many grey beads as black beads. How many beads did Harry have in the end?