SOLUTION: Peanuts cost $4 per pound and a bag of raisins costs $5. How many pounds of peanuts must be mixed with the bag of raisins to have a peanut-raisin blend that has a value of $57?

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Question 1128647: Peanuts cost $4 per pound and a bag of raisins costs $5. How many pounds of peanuts must be mixed with the bag of raisins to have a peanut-raisin blend that has a value of $57?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +x+ = pounds of peanuts needed
++5+%2B+4x+=+57+
+4x+=+52+
+x+=+13+
13 pounds of peanuts