SOLUTION: a merchant wants to produce 80 pounds of coffee by blending coffee that sells for $3 per pound with coffee that sells for $2.75 per pound.he sells his blend of coffee for 2.90 per

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Question 846267: a merchant wants to produce 80 pounds of coffee by blending coffee that sells for $3 per pound with coffee that sells for $2.75 per pound.he sells his blend of coffee for 2.90 per pound. how many pounds of each type of tea does the merchant use in the blend?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
a+b=80,
3a+2.75b=2.9*80
a=48., b=32.