document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=458341>Question 458341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much pure acid should be mixed with 4 gallons of a 30% acid solution in order to get an 80% acid solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #317229 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=317229\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> z+.30(4)=.80(z+4)<BR>\n" );
document.write( "z+1.2=.8z+3.2<BR>\n" );
document.write( ".2z=2<BR>\n" );
document.write( "z=2/.2=10<BR>\n" );
document.write( "You need 10 liters of pure acid for your mix<BR>\n" );
document.write( "10(1)+4(.30)=14(.8)<BR>\n" );
document.write( "10+1.2=11.2<BR>\n" );
document.write( "11.2=11.2.. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );