SOLUTION: Soybean meal is 16% protein and cornmeal is 9% protein. How many pounds of each should be mixed to get a 350lb mixture that is 12% protein?

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Question 314918: Soybean meal is 16% protein and cornmeal is 9% protein. How many pounds of each should be mixed to get a 350lb mixture that is 12% protein?

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Let S be lbs of soybean and C be lbs of cornmeal.
1.

Multiply eq. 1 by (-9) and add to eq. 2,



From eq. 1,


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