document.write( "Question 455665: Soy bean meals are 14% protien; cornmeal is 7% protien How many pounds of each should be mixed together to get a 280lb mixture that is 10% protien? \n" ); document.write( "
Algebra.Com's Answer #312807 by robertb(5830)\"\" \"About 
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0.14x + 0.07(280 - x) = 0.10*280
\n" ); document.write( "==> 0.14x + 19.6 - 0.07x = 28
\n" ); document.write( "==> 0.07x = 8.4
\n" ); document.write( "==> x = 120 pounds of soy bean meal, and 280 - 120 = 160 pounds of corn meal.
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