Mathematics, 25.08.2019 04:20 Emorej22

At joe′s café, one cup of coffee and three doughnuts cost $3.40, and two cups of coffee and two doughnuts cost $4.00
what is the cost of one doughnut? cents.
what is the cost of one cup of coffee? dollars.

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More questions: Mathematics Another questions

At joe′s café, one cup of coffee and three doughnuts cost $3.40, and two cups of coffee and two doughnuts cost $4.00 what is the cost of one doughnut? cents. what is the cost of one cup of coffee? dollars.

Answers

Another question on Mathematics

At joe′s café, one cup of coffee and three doughnuts cost $3.40, and two cups of coffee and two doughnuts cost $4.00
what is the cost of one doughnut? cents.
what is the cost of one cup of coffee? dollars.