document.write( "Question 396161: A radiatior contains 6 liters of a 20% antifreeze solution. How much should be drained and replaced with pure antifeeze to produce a 50% antifreeze solution? \n" ); document.write( "
Algebra.Com's Answer #281098 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! A radiatior contains 6 liters of a 20% antifreeze solution. How much should be drained and replaced with pure antifeeze to produce a 50% antifreeze solution? \n" ); document.write( ". \n" ); document.write( "Let x = amount (liters) removed and replaced by pure antifreeze \n" ); document.write( "then \n" ); document.write( ".20(6-x) + x = .50(6) \n" ); document.write( "1.2-.2x + x = 3 \n" ); document.write( "1.2 + .8x = 3 \n" ); document.write( ".8x = 1.8 \n" ); document.write( "x = 1.8/.8 \n" ); document.write( "x = 2.25 liters\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |