SOLUTION: soybean meal is 18% protein cornmeal is 9% how many pounds of each should be mixed together to get 360 lb mixture that is 15% protein

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Question 467435: soybean meal is 18% protein cornmeal is 9% how many pounds of each should be mixed together to get 360 lb mixture that is 15% protein
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
soybean meal is 18% protein cornmeal is 9% how many pounds of each should be mixed together to get 360 lb mixture that is 15% protein
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Equation:
protein + protein = protein
0.18x + 0.09(360-x) = 0.15(360)
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Multiply thru by 100 to get:
18x + 9*360 - 9x = 15*360
9x = 6*360
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x = 240 lbs (amt. of soybean meal needed)
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360-x = 120 lbs (amt. of cornmeal needed)
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Cheers,
Stan H.
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