document.write( "Question 280418: A radiator holds 6 liters. how much of the 20% antifreeze solution should be drained & replaced with pure antifreeze to bring the solution up to 50% antifreeze? \n" ); document.write( "
Algebra.Com's Answer #203797 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
.2x+y=6*.5
\n" ); document.write( "x+y=6
\n" ); document.write( "x=3.75 and y=2.25
\n" ); document.write( "drain 2.25 liters and replace it with 2.25 liters of 100% antifreeze.
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