SOLUTION: a coffee company wants a new flavor of Cajun coffee. How many pounds of coffee worth $7 a pound should be added to 20 pounds of coffee worth $4 a pound to get a mixture worth $5 a
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Question 835975: a coffee company wants a new flavor of Cajun coffee. How many pounds of coffee worth $7 a pound should be added to 20 pounds of coffee worth $4 a pound to get a mixture worth $5 a pound?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
7a+20*4=5*(a+20)
7a+80=5a+100
2a=20
a=10
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