Solve. If needed, round money amounts to two decimal places and all other amounts to one decimal place.The manager of a coffee shop has one type of coffee that sells for $6 per pound and another type that sells for $15 per pound. The manager wishes to mix 80 pounds of the $15 coffee to get a mixture that will sell for $7 per pound. How many pounds of the $6 coffee should be used?
A. 320 pounds
B. 640 pounds
C. 360 pounds
D. 720 pounds
Answer: B
Mathematics
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