Question
John had 6 more brown pens than white pens at first. His mother then gave him 10 brown pens and his classmates gave him 100 white pens for Christmas. John realised that he now had four times as many white pens as brown pens. How many pens did John have in the end?
4 m

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John had 6 more brown pens than white pens at first. His mother then gave him 10 brown pens and his classmates gave him 100 white pens for Christmas. John realised that he now had four times as many white pens as brown pens. How many pens did John have in the end?