Question
Xavier bought the same number of markers and pencils. The total cost of 3 markers and 1 pencil was $23. The total cost of 1 marker and 3 pencils was $13. He spent a total of $54. How many markers did Xavier buy?
4 m

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Xavier bought the same number of markers and pencils. The total cost of 3 markers and 1 pencil was $23. The total cost of 1 marker and 3 pencils was $13. He spent a total of $54. How many markers did Xavier buy?