document.write( "Question 911156: A radiator contains 5 quarts of fluid, 40% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 50% antifreeze? (Round your answer to two decimal places.) \n" ); document.write( "
Algebra.Com's Answer #552872 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
.40(5Q-x) + x = .50(5Q)
\n" ); document.write( "x = .10(5Q)/.6 = 5/6 Q
\n" ); document.write( "
\n" );