A doughnut shop sells a dozen doughnuts for $4.75. Beyond the fixed costs (rent, utilities, and insurance) of $220 per day, it costs $2.5 for enough materials (flour, sugar, and so on) and labor to produce a dozen doughnuts. The daily profit from doughnut sales varies from $60 to $270. Between what levels (in dozens) do the daily sales vary?
(Round your answer to two decimal places.)
?
A. 124.44 < x> 217.78
B. ?124.44 < x< 217.78
C. ?124.44 < x ? 217.78
D. ?124.44 ? x< 217.78
E. ?124.44 ? x ? 217.78
Answer: E
Mathematics
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