SOLUTION: the owner of a local chocolate shop wants to develop a new trail mix. how many pounds of chocolate covered peanuts worth $5/lb should be mixed with 10 lbs worth $2/lb to get a mixt

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Question 212210: the owner of a local chocolate shop wants to develop a new trail mix. how many pounds of chocolate covered peanuts worth $5/lb should be mixed with 10 lbs worth $2/lb to get a mixture worth $3/lb?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
5x+2*10=3(10+x)
5x+20=30+3x
5x-3x=30-20
2x=10
x=10/2
x=5 pounds of $5 chocolate covered nuts is used.
Proof:
5*5+2*10=3(10+5)
25+20=3*15
45=45