Question
In a store, a box of notebooks costs twice as much as a manual. Mrs Tang spent 13 of her money to buy 8 boxes of notebooks. She then spent 47 of her remaining money to buy some manuals and had $19.20 left. How much does each manual cost?
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In a store, a box of notebooks costs twice as much as a manual. Mrs Tang spent 13 of her money to buy 8 boxes of notebooks. She then spent 47 of her remaining money to buy some manuals and had $19.20 left. How much does each manual cost?