Question
In a book shop, a box of pens costs twice as much as a guidebook. Mrs Tan spent 18 of her money to buy 4 boxes of pens. She then spent 58 of her remaining money to buy some guidebooks and had $58.80 left. How much does each guidebook cost?
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In a book shop, a box of pens costs twice as much as a guidebook. Mrs Tan spent 18 of her money to buy 4 boxes of pens. She then spent 58 of her remaining money to buy some guidebooks and had $58.80 left. How much does each guidebook cost?