Question
Carl bought the same number of notebooks and files. The total cost of 6 notebooks and 1 file was $44. The total cost of 1 notebook and 6 files was $19. He spent a total of $27. How many notebooks did Carl buy?
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Carl bought the same number of notebooks and files. The total cost of 6 notebooks and 1 file was $44. The total cost of 1 notebook and 6 files was $19. He spent a total of $27. How many notebooks did Carl buy?