SOLUTION: A merchant has coffee worth $20 a pound that she wishes to mix with 90 pounds of coffee worth $90a pound to get a mixture that can be sold for $50 a pound. How many pounds of the $

SOLUTION: A merchant has coffee worth $20 a pound that she wishes to mix with 90 pounds of coffee worth $90a pound to get a mixture that can be sold for $50 a pound. How many pounds of the $

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Question 311206: A merchant has coffee worth $20 a pound that she wishes to mix with 90 pounds of coffee worth $90a pound to get a mixture that can be sold for $50 a pound. How many pounds of the $20 coffee should be used?

Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
Here is your equation:
20x + 90(90) = 50(x + 90)

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