Multiple Choice
Solve the problem.
-A merchant has coffee worth $20 a pound that she wishes to mix with 90 pounds of coffee worth $90 a pound to get a mixture that can be sold for $80 a pound. How many pounds of the $20 coffee should be used?
A) 7.5 lb
B) 52.5 lb
C) 105 lb
D) 15 lb
Correct Answer:
Verified
Correct Answer:
Verified
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