SOLUTION: A coffee shop blends a coffee that sells for $12 per pound with a coffee that sells for $9 per pound to produce a mixture that sells for $10 per pound. How much of each should be
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Question 623244: A coffee shop blends a coffee that sells for $12 per pound with a coffee that sells for $9 per pound to produce a mixture that sells for $10 per pound. How much of each should be used to yield 21 pounds of the new mixture? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! A coffee shop blends a coffee that sells for $12 per pound with a coffee that sells for $9 per pound to produce a mixture that sells for $10 per pound. How much of each should be used to yield 21 pounds of the new mixture?
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let x=lbs of $12/lb coffee to be mixed
21-x=lbs of $9/lb coffee to be mixed
..
12x+9(21-x)=10(21)
12x+189-9x+=210
3x=21
x=7
21-x=14
lbs of $12/lb coffee to be mixed=7
lbs of $9/lb coffee to be mixed=14
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