SOLUTION: A coffee shop mixed $9 per pound coffee with $4 per pound coffee to create 20 pounds of a blend that costs $7 per pound. How many pounds of each type of coffee were used to make t

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Question 881526: A coffee shop mixed $9 per pound coffee with $4 per pound coffee to create 20 pounds of a blend that costs $7 per pound.
How many pounds of each type of coffee were used to make the blend?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
This one and all of those like it are all solvable the same way:

Mixture: Two-Part, price or cost, both material amounts unknown