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Mathematics, 25.09.2019 10:30 Angel1107

On monday joe bought 10 cups of coffee and 5 doughnuts for his office at the cost of $16.50. it turns out the doughnuts were more popular than the coffee. on tuesday he boguht 5 cups of coffee and 10 doughnuts for total of $14.25. how much was each cup of coffee

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On monday joe bought 10 cups of coffee and 5 doughnuts for his office at the cost of $16.50. it turn...
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