Question #6407367Single Choice

Algebra-1

Question

On Monday Jay bought 10 cups of coffee and 5 doughnuts for his office at the cost of $16.50. It turns out that the doughnuts were more popular than the coffee. On Tuesday he bought 5 cups of coffee and 10 doughnuts for a total of $14.25. Which system could be used to determine the cost of each cup of coffee and the cost of each doughnut ?

Options

10c + 5d = 14.25；5c + 10d = 16.50

10c + 5d = 16.50；5c + 10d = 14.25

c + d = 10；5c + 10d = 16.50

c + d = 5；5c + 10d = 16.50

Answer & Analysis

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