Question
Ian had 5 more purple marbles than pink marbles at first. His mother then gave him 10 purple marbles and his colleagues gave him 108 pink marbles for Christmas. Ian realised that he now had four times as many pink marbles as purple marbles. How many marbles did Ian have in the end?
4 m

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Ian had 5 more purple marbles than pink marbles at first. His mother then gave him 10 purple marbles and his colleagues gave him 108 pink marbles for Christmas. Ian realised that he now had four times as many pink marbles as purple marbles. How many marbles did Ian have in the end?