SOLUTION: . . . mixed coffee worth $9/lb with coffee costing $6/lb. How many lbs of each were used to make a lb blend that sold for $20

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Question 757367: . . . mixed coffee worth $9/lb with coffee costing $6/lb. How many lbs of each were used to make a lb blend that sold for $20
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
I started answering this and then I observed carefully something being negative in the solution steps that should not be. Then I checked again what you wrote. $20 cost of the blend!

You canNOT mix a $9 per pound material with a $6 per pound material and achieve a $20 per pound mixture!