SOLUTION: A store sells walnuts for $ 3.00 per pound and pecans for $ 5.00 per pound. How many pounds of each should be used to make a mixture that weighs 10 pounds and costs $ 3.70 per poun
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Question 603750: A store sells walnuts for $ 3.00 per pound and pecans for $ 5.00 per pound. How many pounds of each should be used to make a mixture that weighs 10 pounds and costs $ 3.70 per pound? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! A store sells walnuts for $ 3.00 per pound and pecans for $ 5.00 per pound. How many pounds of each should be used to make a mixture that weighs 10 pounds and costs $ 3.70 per pound?
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let x= lbs of walnut in mixture
10-x=lbs of pecans in mixture
..
3x+5(10-x)=10*3.70
3x+50-5x=37
2x=13
x=13/2=6.5 lbs
10-x=3.5 lbs
ans:
lbs of walnut in mixture=6.5
lbs of pecans in mixture=3.5
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