document.write( "Question 911360: A radiator contains 15 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 45% antifreeze? (Round your answer to two decimal places.) \n" ); document.write( "
Algebra.Com's Answer #553055 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 0.3*15-0.3x+1x=0.45(15) \n" ); document.write( "4.5+0.7x=6.75 \n" ); document.write( "0.7x=6.75-4.5 \n" ); document.write( "0.7x=2.25 \n" ); document.write( "x=3.21428571 rounded 3.21 \n" ); document.write( "check \n" ); document.write( "0.3*11.7857143+1*3.21428571=0.45(15) \n" ); document.write( "3.53571429+3.21428571=6.75 \n" ); document.write( "6.75=6.75 \n" ); document.write( "ok \n" ); document.write( "coderep \n" ); document.write( " \n" ); document.write( " |