SOLUTION: How much coffee costing $3 a pound should be mixed with 5 pounds of coffee costing $4 a pound to obtain a mixture costing $3.25 a pound?

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Question 359861: How much coffee costing $3 a pound should be mixed with 5 pounds of coffee costing $4 a pound to obtain a mixture costing $3.25 a pound?
Answer by nyc_function(2741)   (Show Source): You can put this solution on YOUR website!
3x + 5(4) = 3.25(x + 4)

Solve the equation to find your answer.

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