document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=917386>Question 917386</A>: <I><SPAN STYLE=\"word-break: break-all;\">  how many liters of 5% acid should be combined with a 15-liter mixture that is 30% acid in order to obtain a mixture that is 10% acid? your answer may be a decimal number, however it must be exact.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556636 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=556636\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have 15 liter of 30% solution<BR>\n" );
document.write( "We want to add some 5% solution  to make   10% solution<BR>\n" );
document.write( "0.05*x+0.3*15=0.1(15+x)<BR>\n" );
document.write( "0.05*x+4.5=1.5+0.1x<BR>\n" );
document.write( "0.05x-0.1x=1.5-4.5<BR>\n" );
document.write( "-0.05x=-3<BR>\n" );
document.write( "x=60 liter at 5% (3) is added to 15 liter at 30%(4.5) to make 10% of 75 liter(7.5)<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.05*60+0.3*15=0.1(15+60)<BR>\n" );
document.write( "3+4.5=0.1(75)<BR>\n" );
document.write( "7.5=7.5<BR>\n" );
document.write( "ok<BR>\n" );
document.write( "codemixadd<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );