document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=211022>Question 211022</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons of a 12% salt solution must be mixed with 6 gallons of a 20% salt solution to obtain a 15% salt solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #159437 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=159437\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .12x+.20*6=.15(x+6)<BR>\n" );
document.write( ".12x+1.2=.15x+.9<BR>\n" );
document.write( ".12x-.15x=.9-1.2<BR>\n" );
document.write( "-.03x=-.3<BR>\n" );
document.write( "x=-.3/-.03<BR>\n" );
document.write( "x=10 gallons of 12% salt is used.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".12*10+.20*6=.15(10+6)<BR>\n" );
document.write( "1.2+1.2=.15*16<BR>\n" );
document.write( "2.4=2.4<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );