document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=414996>Question 414996</A>: <I><SPAN STYLE=\"word-break: break-all;\">  How many liters of a 5% solution of hydrochloric acid must be mixed with 12 liters of a 1% solution to obtain a 4% solution?   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #290988 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=290988\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many liters of a 5% solution of hydrochloric acid must be mixed with 12 liters of a 1% solution to obtain a 4% solution? <BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "0.05x + 0.01*12 = 0.04(x+12)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "5x + 12 = 4x + 4*12<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = 3*12<BR>\n" );
document.write( "x = 36 liters (amt. of 5% solution needed)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=========<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );