document.write( "Question 804648: A dairy farmer wants to mix a 75% protein supplement and a standard 25% protein ration to make 1100 pounds of a high-grade 50% protein ration. How many pounds of each should he use? \n" ); document.write( "
Algebra.Com's Answer #484849 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent ---------------- quantity \n" ); document.write( "Protein I 75.00% ---------------- x pounds \n" ); document.write( "Protein II 25.00% ------ 1100 - x pounds \n" ); document.write( "Mixture 50.00% ---------------- 1100 \n" ); document.write( "Total 1100 pounds \n" ); document.write( "75.00% x + 25.00% ( 1100 - x ) = 50.00% * 1100 \n" ); document.write( "75 x + 25 ( 1100 - x ) = 55000 \n" ); document.write( "75 x + 27500 - 25 x = 55000 \n" ); document.write( "75 x - 25 x = 55000 - -27500 \n" ); document.write( "50 x = 27500 \n" ); document.write( "/ 50 \n" ); document.write( " x = 550 pounds 75.00% Protein I \n" ); document.write( " 550 pounds 25.00% Protein II \n" ); document.write( " \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " \n" ); document.write( " |