SOLUTION: Soybean meal is 18% protein, and cornmeal is 9% protein. How many pounds of each should be mixed together to make 360 lbs of mixture that is 12% protein? How many pounds of cormea

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Question 291091: Soybean meal is 18% protein, and cornmeal is 9% protein. How many pounds of each should be mixed together to make 360 lbs of mixture that is 12% protein?
How many pounds of cormeal sould be used in the mixture?______
How many pounds of Soybean meal should be used in the mixture?____

Answer by brucewill(101) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = # of pounds of soybeans
Therefore, 360 - x = # of pounds of cornmeal
.18x + .09(360 - x) = .12(360)
.18x + 32.4 - .09x = 43.2
.09x = 10.8
highlight%28x+=+120%29 pounds of soybeans
Therefore, 240 pounds of cornmeal.