Question
Riordan had 10 more grey stamps than brown stamps at first. His aunt then gave him 16 grey stamps and his schoolmates gave him 114 brown stamps for Christmas. Riordan realised that he now had thrice as many brown stamps as grey stamps. How many stamps did Riordan have in the end?
4 m

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Riordan had 10 more grey stamps than brown stamps at first. His aunt then gave him 16 grey stamps and his schoolmates gave him 114 brown stamps for Christmas. Riordan realised that he now had thrice as many brown stamps as grey stamps. How many stamps did Riordan have in the end?