document.write( "Question 446085: how many gallons 65%antifreeze and how many 20% antifreeze should be mixed up to obtain 50 gallons of 56% mixture of antifreeze? \n" ); document.write( "
Algebra.Com's Answer #307185 by mananth(16946)![]() ![]() You can put this solution on YOUR website! percent ---------------- quantity \n" ); document.write( "Antifreeze I 65----------------x gallons \n" ); document.write( "Antifreeze II 20 ----------------50-x gallons \n" ); document.write( "Total 56.00% ----------------50 gallons \n" ); document.write( " \n" ); document.write( "65x+20(50-x)=56 *50 \n" ); document.write( "65x+1000-20x=2800 \n" ); document.write( "65x-20x=2800-1000 \n" ); document.write( "45x=1800 \n" ); document.write( "/45 \n" ); document.write( "x=40 gallons 65.00% \n" ); document.write( "10 gallons 20.00% \n" ); document.write( " \n" ); document.write( " |