document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=358689>Question 358689</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist needs 18L of a 20% solution of alcohol. she has on hand a 15% solution as well as a 30% solution. How many L of the 15% solution and the 30% solution should she mix to get the 20% solution needed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #256019 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=256019\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .30x+.15(18-x)=.20*18<BR>\n" );
document.write( ".30x+2.7-.15x=3.6<BR>\n" );
document.write( ".15x=3.6-2.7<BR>\n" );
document.write( ".15x=.9<BR>\n" );
document.write( "x=.9/.15<BR>\n" );
document.write( "x=6 L. of 30% solution.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".30*6+.15(18-6)=.20*18<BR>\n" );
document.write( "1.8+.15*12=3.6<BR>\n" );
document.write( "1.5+1.8=3.6<BR>\n" );
document.write( "3.6=3.6 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );