SOLUTION: The nut Case has 20 pounds of mixed peanuts and hickory nuts which sells for 8.40 per pond . Peanuts sell for 8.00 per pound, and hickory nuts sell for 9.00 per pound. How many pou

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Question 1038233: The nut Case has 20 pounds of mixed peanuts and hickory nuts which sells for 8.40 per pond . Peanuts sell for 8.00 per pound, and hickory nuts sell for 9.00 per pound. How many pounds of hickory nuts are in the mix?
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
Let p=peanuts. Then
8p+9(20-p)=8.40(20)
8p+180-9p=168
p=180-168=12 lbs of peanuts, 8 lbs of hickory nuts in the mix!!!!!!!!!!!!!!