# SOLUTION: Please help me solve this equation: using a system of two equations: Soybean is 16% protein and corn meal is 9% protein. How many pounds of each should be mixed toghther to

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 Question 168860This question is from textbook prentice hall Algebra2 with trigonometry : Please help me solve this equation: using a system of two equations: Soybean is 16% protein and corn meal is 9% protein. How many pounds of each should be mixed toghther to get a 350-lb mixture that 12% protein?This question is from textbook prentice hall Algebra2 with trigonometry Answer by checkley77(12569)   (Show Source): You can put this solution on YOUR website!NOT FAMILIAR WITH A 2 EQUATION SYSTEM TO SOLVE THESE TYPES OF PROBLEMS. HERE'S THE STANDARD METHOD. .16X+.09(350-X)=.12*350 .16X+31.5-.09X=42 .07X=42-31.5 .07X=10.5 X=10.5/.07 X=150 LB. OF SOYBEANS ARE USED. 350-150=200 LB. OF CORN MEAL IS USED. PROOF: .16*150+.09*200=42 24+18=42 42=42