document.write( "Question 800453: when a barrel of water is full, it contains 85, how much is remaining if 40% has been used \n" ); document.write( "
Algebra.Com's Answer #483067 by mathstutor494(120)\"\" \"About 
You can put this solution on YOUR website!
Ans : 51 \n" ); document.write( "
\n" );