Question
John paid $87 for 9 notebooks and 6 files. The total cost of a notebook and a file was $11. Cindy bought 8 notebooks and 7 files. How much did she pay for these items?
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John paid $87 for 9 notebooks and 6 files. The total cost of a notebook and a file was $11. Cindy bought 8 notebooks and 7 files. How much did she pay for these items?