SOLUTION: A merchant has coffee worth $20 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that can be sold for $40 a pound. How many pounds of the
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Question 810172: A merchant has coffee worth $20 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that can be sold for $40 a pound. How many pounds of the $20 coffee should be used? Answer by richwmiller(17219) (Show Source):
