Question
In a stationery kiosk, a box of files costs four times as much as a folder. Mrs Tan spent 13 of her money to buy 7 boxes of files. She then spent 57 of her remaining money to buy some folders and had $52.80 left. How much does each folder cost?
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In a stationery kiosk, a box of files costs four times as much as a folder. Mrs Tan spent 13 of her money to buy 7 boxes of files. She then spent 57 of her remaining money to buy some folders and had $52.80 left. How much does each folder cost?