document.write( "Question 910877: A radiator contains 5 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 35% antifreeze? \n" ); document.write( "
Algebra.Com's Answer #552774 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 0.3*5-0.3x+1x=0.35(5) \n" ); document.write( "1.5+0.7x=1.75 \n" ); document.write( "0.7x=1.75-1.5 \n" ); document.write( "0.7x=0.25 \n" ); document.write( "x=0.35714286 \n" ); document.write( "check \n" ); document.write( "0.3*4.64285714+1*0.35714286=0.35(5) \n" ); document.write( "1.39285714+0.35714286=1.75 \n" ); document.write( "1.75=1.75 \n" ); document.write( "ok \n" ); document.write( "coderep \n" ); document.write( " \n" ); document.write( " |