SOLUTION: Gorp Corp mixes raisins that cost $5 per lb with peanuts that cost $3.70 per lb. How many lbs of raisins should be combined with 10 lbs of peanuts to make a mixture worth $4 per lb

Question 835052: Gorp Corp mixes raisins that cost $5 per lb with peanuts that cost $3.70 per lb. How many lbs of raisins should be combined with 10 lbs of peanuts to make a mixture worth $4 per lb?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
r=pounds of raisins

A more complete explanation is in the lesson, "Mixture: one material quantity unknown", found in the lessons link of my profile.
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