Question
In a shop, a box of files costs thrice as much as a guidebook. Mrs Chong spent 14 of her money to buy 8 boxes of files. She then spent 37 of her remaining money to buy some guidebooks and had $86.40 left. How much does each guidebook cost?
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In a shop, a box of files costs thrice as much as a guidebook. Mrs Chong spent 14 of her money to buy 8 boxes of files. She then spent 37 of her remaining money to buy some guidebooks and had $86.40 left. How much does each guidebook cost?