Question
In a bookstore, a box of files costs thrice as much as a novel. Mrs Ma spent 13 of her money to buy 7 boxes of files. She then spent 37 of her remaining money to buy some novels and had $45.60 left. How much does each novel cost?
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In a bookstore, a box of files costs thrice as much as a novel. Mrs Ma spent 13 of her money to buy 7 boxes of files. She then spent 37 of her remaining money to buy some novels and had $45.60 left. How much does each novel cost?