document.write( "Question 967079: A radiator contains 10 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 60% antifreeze? \n" ); document.write( "
Algebra.Com's Answer #591063 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A radiator contains 10 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 60% antifreeze? \n" ); document.write( "---- \n" ); document.write( "Equation: \n" ); document.write( "anti - anti + anti = anti \n" ); document.write( "------ \n" ); document.write( "0.3*10 - 0.3*x + 1*x = 0.6*10 \n" ); document.write( "0.7x = 0.3*10 \n" ); document.write( "x = (3/7)10 \n" ); document.write( "x = 4.29 quarts (amt. to remove and replace) \n" ); document.write( "---------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |