SOLUTION: A manager bought 12 pounds of peanuts for $30. He wants to mix $5 per pound cashews with the peanuts to get a batch of mixed nuts that is worth $4 per pound. How many pounds of cas

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Question 161171: A manager bought 12 pounds of peanuts for $30. He wants to mix $5 per pound cashews with the peanuts to get a batch of mixed nuts that is worth $4 per pound. How many pounds of cashews are needed?
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
5X+12*2.5=4(12+X)
5X+30=48+4X
5X-4X=48-30
X=18 POUNDS OF CASHEWS IS NEEDED.
PROOF:
5*18+30=4(12+18)
90+30=4*30
120=120