document.write( "Question 236541: Soybean meal is 12% protein; Cornmeal is 6% protein. How many pounds of each should be mixed together to get a 240 pound mixture that is 7% protein? \n" ); document.write( "
Algebra.Com's Answer #174120 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .12x+.06(240-x)=.07*240 \n" ); document.write( ".12x+14.4-.06x=16.8 \n" ); document.write( ".06x=16.8-14,4 \n" ); document.write( ".06x=2.4 \n" ); document.write( "x=2.4/.06 \n" ); document.write( "x=40 pounds of soybeans was used. \n" ); document.write( "240-40=200 pounds of cornmeal was used. \n" ); document.write( "Proof: \n" ); document.write( ".12*40+.06*200=16.8 \n" ); document.write( "4.8+12=16.8 \n" ); document.write( "16.8=16.8 \n" ); document.write( " |