Question
In a bookstore, a box of notebooks costs thrice as much as a guidebook. Mrs Yee spent 14 of her money to buy 7 boxes of notebooks. She then spent 57 of her remaining money to buy some guidebooks and had $66.60 left. How much does each guidebook cost?
4 m

Click button first when a symbol is required. X

In a bookstore, a box of notebooks costs thrice as much as a guidebook. Mrs Yee spent 14 of her money to buy 7 boxes of notebooks. She then spent 57 of her remaining money to buy some guidebooks and had $66.60 left. How much does each guidebook cost?