Question
Fabian bought the same number of markers and files. The total cost of 2 markers and 1 file was $11. The total cost of 1 marker and 2 files was $16. He spent a total of $36. How many markers did Fabian buy?
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Fabian bought the same number of markers and files. The total cost of 2 markers and 1 file was $11. The total cost of 1 marker and 2 files was $16. He spent a total of $36. How many markers did Fabian buy?