document.write( "Question 490473: soybean meal is 18% protein; cornmeal is 9% protein. How many pounds of each should be mixed together in order to get 360 pound mixture that is 15% protein? \n" ); document.write( "
Algebra.Com's Answer #334099 by stanbon(75887) ![]() You can put this solution on YOUR website! soybean meal is 18% protein; cornmeal is 9% protein. How many pounds of each should be mixed together in order to get 360 pound mixture that is 15% protein? \n" ); document.write( "----------- \n" ); document.write( "Equation: \n" ); document.write( "protein + protein = protein \n" ); document.write( "0.18x + 0.09(360-x) = 0.15*360 \n" ); document.write( "--- \n" ); document.write( "Multiply thru by 100 to get: \n" ); document.write( "18x + 9*360 - 9x = 15*360 \n" ); document.write( "9x = 6*360 \n" ); document.write( "x = 240 lb (amt. of 18% meal needed) \n" ); document.write( "--- \n" ); document.write( "360-x = 120 lb (amt. of 9% mean needed) \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " |