Question
In a book shop, a box of staplers costs thrice as much as a manual. Mrs Gan spent 14 of her money to buy 3 boxes of staplers. She then spent 37 of her remaining money to buy some manuals and had $21.60 left. How much does each manual cost?
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In a book shop, a box of staplers costs thrice as much as a manual. Mrs Gan spent 14 of her money to buy 3 boxes of staplers. She then spent 37 of her remaining money to buy some manuals and had $21.60 left. How much does each manual cost?