document.write( "Question 1129217: \"The radiator in your car contains 4 gallons of antifreeze and water. The mixture is 45% antifreeze. How much of the mixture should be drained and replaced with pure antifreeze in order to have a 60% antifreeze solution? Solve as a system of linear equations in two variables and round to the nearest tenth of a gallon.\" \n" ); document.write( "
Algebra.Com's Answer #745779 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! Let \n" ); document.write( "Let \n" ); document.write( "------------------------ \n" ); document.write( "(1) \n" ); document.write( "(2) \n" ); document.write( "---------------------------------- \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( "4.4 gallons of mixture should be removed \n" ); document.write( "------------------- \n" ); document.write( "check: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "error due to rounding off \n" ); document.write( "OK\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |