Question
A box of tarts cost $10 while a box of cookies cost $16. Each box contained either 7 tarts or 8 cookies. Fanny bought the same number of tarts and cookies. She paid $320 more for the cookies. How many boxes of tarts did she buy?
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A box of tarts cost $10 while a box of cookies cost $16. Each box contained either 7 tarts or 8 cookies. Fanny bought the same number of tarts and cookies. She paid $320 more for the cookies. How many boxes of tarts did she buy?