Question
In a stationery shop, a box of pens costs thrice as much as a folder. Mrs Ang spent 18 of her money to buy 3 boxes of pens. She then spent 59 of her remaining money to buy some folders and had $100.80 left. How much does each folder cost?
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In a stationery shop, a box of pens costs thrice as much as a folder. Mrs Ang spent 18 of her money to buy 3 boxes of pens. She then spent 59 of her remaining money to buy some folders and had $100.80 left. How much does each folder cost?