Question
A box of shortbreads cost $13 while a box of wafers cost $17. Each box contained either 10 shortbreads or 6 wafers. Mary bought the same number of shortbreads and wafers. She paid $230 more for the wafers. How many boxes of shortbreads did she buy?
4 m

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A box of shortbreads cost $13 while a box of wafers cost $17. Each box contained either 10 shortbreads or 6 wafers. Mary bought the same number of shortbreads and wafers. She paid $230 more for the wafers. How many boxes of shortbreads did she buy?