Question
In a stationery shop, a box of pens costs thrice as much as a manual. Mrs Sim spent 18 of her money to buy 6 boxes of pens. She then spent 38 of her remaining money to buy some manuals and had $94.50 left. How much does each manual cost?
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In a stationery shop, a box of pens costs thrice as much as a manual. Mrs Sim spent 18 of her money to buy 6 boxes of pens. She then spent 38 of her remaining money to buy some manuals and had $94.50 left. How much does each manual cost?