document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1005187>Question 1005187</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of a 20% acid solution should be mixed with 30 liters of 50% acid solution in order to obtain a 40% solution. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #621530 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=621530\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  How many liters of a 20% acid solution should be mixed with 30 liters of 50% acid solution in order to obtain a 40% solution.<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "0.20x + 0.50*30 = 0.40(x+30)<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "20x + 50*30 = 40x + 40*30<BR>\n" );
document.write( "----<BR>\n" );
document.write( "-20x = -10*30<BR>\n" );
document.write( "x = 15 liters (amt. of 20% solution needed)<BR>\n" );
document.write( "---------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "-----------------  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );