SOLUTION: A coffee house has 20 pounds of a coffee that sells for $4 per lbs. How many pounds of coffee that sells for $8 per pound should be mixed with 20 lbs for $4-per-pound coffee to obt

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Question 906048: A coffee house has 20 pounds of a coffee that sells for $4 per lbs. How many pounds of coffee that sells for $8 per pound should be mixed with 20 lbs for $4-per-pound coffee to obtain a blend that will sell for $5 per pounds? How much of the $5-per-pound coffee is there to sell?
Found 2 solutions by josgarithmetic, richwmiller:
Answer by josgarithmetic(39617) About Me  (Show Source):
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
0.08*x+0.04*20=0.05(20+x)