Question
Howard had 9 more purple erasers than green erasers at first. His uncle then gave him 19 purple erasers and his sisters gave him 145 green erasers for Christmas. Howard realised that he now had four times as many green erasers as purple erasers. How many erasers did Howard have in the end?
4 m

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Howard had 9 more purple erasers than green erasers at first. His uncle then gave him 19 purple erasers and his sisters gave him 145 green erasers for Christmas. Howard realised that he now had four times as many green erasers as purple erasers. How many erasers did Howard have in the end?