Question
Alexander put 654 erasers in three boxes L, M and N. Box L and Box M contained a total of 395 erasers. Box M and Box N contained a total of 377 erasers. How many erasers were there in Box L and Box N altogether?


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Alexander put 654 erasers in three boxes L, M and N. Box L and Box M contained a total of 395 erasers. Box M and Box N contained a total of 377 erasers. How many erasers were there in Box L and Box N altogether?