SOLUTION: soybean meal is 12% protein; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240lb mixture that is 10% protein

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Question 122130: soybean meal is 12% protein; cornmeal is 6% protein. How many pounds of each should be mixed together in order to get 240lb mixture that is 10% protein
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let x=soybean, so 240-x=corn __ x(12%)+(240-x)(6%)=240(10%) __ multiplying by 100 clears the percents

12x+1440-6x=2400 __ 6x=960