Fiona's Follies is a small bakery that sells cupcakes and muffins. A cupcake sells for $3 and a muffin sells for $2. When all related business expenses are included, a cupcake costs $0.75 to prepare and a muffin costs $0.50 to prepare. Last Monday, Fiona's Follies sold at least $300 worth of cupcakes and muffins and its expenses were no more than $100. At most 80 cupcakes were sold. Let x be the number of cupcakes sold last Monday and y be the number of muffins sold last Monday. Which ordered
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