SOLUTION: A merchant has coffee worth $20 a pound that she wishes to mix 50 pounds of coffee worth $80 a pound to get a mixture that is worth $70 a pound. How man pounds of the $20 coffee sh
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Question 716041: A merchant has coffee worth $20 a pound that she wishes to mix 50 pounds of coffee worth $80 a pound to get a mixture that is worth $70 a pound. How man pounds of the $20 coffee should be used? Answer by josgarithmetic(39617) (Show Source):
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