Question
In a stationery shop, a box of notebooks costs thrice as much as a manual. Mrs Thia spent 15 of her money to buy 7 boxes of notebooks. She then spent 59 of her remaining money to buy some manuals and had $123.20 left. How much does each manual cost?
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In a stationery shop, a box of notebooks costs thrice as much as a manual. Mrs Thia spent 15 of her money to buy 7 boxes of notebooks. She then spent 59 of her remaining money to buy some manuals and had $123.20 left. How much does each manual cost?