SOLUTION: Walnuts sell for $4.80 per pound an pecans sell for $6.40 per pound. How many pounds of pecans should be mixed with 20 pounds of walnuts to get a mixture that can be sold for $5.40

SOLUTION: Walnuts sell for $4.80 per pound an pecans sell for $6.40 per pound. How many pounds of pecans should be mixed with 20 pounds of walnuts to get a mixture that can be sold for $5.40

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Question 720318: Walnuts sell for $4.80 per pound an pecans sell for $6.40 per pound. How many pounds of pecans should be mixed with 20 pounds of walnuts to get a mixture that can be sold for $5.40 per pound?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
4.80*20+6.40X=5.40(20+X)
96+6.40X=108+5.40X
6.40X-5.40X=108-96
X=12 POUNDS OF PECANS ARE USED.
PROOF:
4.60*20+6.40*12=5.40(20+12)
96+76.8=5.4*32
172.8=172.8

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