Question
Michael had 7 more gold stamps than black stamps at first. His father then gave him 13 gold stamps and his schoolmates gave him 148 black stamps for Christmas. Michael realised that he now had five times as many black stamps as gold stamps. How many stamps did Michael have in the end?
4 m

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Michael had 7 more gold stamps than black stamps at first. His father then gave him 13 gold stamps and his schoolmates gave him 148 black stamps for Christmas. Michael realised that he now had five times as many black stamps as gold stamps. How many stamps did Michael have in the end?