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To serve to employees during a two-day conference, 15 coffees and 15 doughnuts were purchased for $30. On the first day, only a few of
To serve to employees during a two-day conference, 15 coffees and 15 doughnuts were purchased for $30. On the first day, only a few of them preferred the coffee but no doughnuts were left by the end of the day. Therefore, only 5 cups of coffee and 25 doughnuts were purchased for $20 for the second day. How much did each coffee and each doughnut cost
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Probability With Applications and R
Authors: Robert P. Dobrow
1st edition
1118241257, 1118241258, 978-1118241257
