SOLUTION: 12 oz of mixed nuts was made by combining 4 oz of walnuts which cost $4/oz with 8 oz of peanuts which cost $10/oz. Find the cost per oz of the mixture. The answer is $8/oz (I lo

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: 12 oz of mixed nuts was made by combining 4 oz of walnuts which cost $4/oz with 8 oz of peanuts which cost $10/oz. Find the cost per oz of the mixture. The answer is $8/oz (I lo      Log On

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Question 334016: 12 oz of mixed nuts was made by combining 4 oz of walnuts which cost $4/oz with 8 oz of peanuts which cost $10/oz. Find the cost per oz of the mixture.
The answer is $8/oz (I looked at the answer sheet! Shhh!), but I need to know how to solve it! And i have to show all of my work!
Help? Thank you so MUCH!!!

Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
4*4+8*10=12x

16+80=12x

96=12x

x=96/12

x=8