Mathematics, 06.10.2020 14:01 mccdav5100

On Monday Joe bought 10 cups of coffee and 5 doughnuts for his office at the cost of $16.50. On Tuesday he bought 5 cups of coffee and 10 doughnuts for a total of $14.25. Which equations could be used to determine the cost of the 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. On Tues...