Question
John bought the same number of staplers and pens. The total cost of 3 staplers and 1 pen was $18. The total cost of 1 stapler and 3 pens was $14. He spent a total of $72. How many staplers did John buy?
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John bought the same number of staplers and pens. The total cost of 3 staplers and 1 pen was $18. The total cost of 1 stapler and 3 pens was $14. He spent a total of $72. How many staplers did John buy?