SOLUTION: Charley owns a specialty coffee store. He wants to create a special mix using two coffees, one priced at $6.40 per pound and the other priced at $7.28 per pound. How many pounds

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Question 274627: Charley owns a specialty coffee store. He wants to create a special mix using two coffees, one priced at $6.40 per pound and the other priced at $7.28 per pound. How many pounds of the $7.28 coffee should he mix with 9 pounds of the $6.40 coffee to sell the mixture for $6.95 per pound?
john
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x*728+9*640=(x+9)*695
x=15 pounds