document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=905414>Question 905414</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons of a 2% salt solution must be mixed with 15 gallons of a 8% solution to obtain a 5% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549176 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=549176\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 0.02*x+0.08*15=0.05(15+x)<BR>\n" );
document.write( "0.02*x+1.2=0.75+0.05x<BR>\n" );
document.write( "0.02x-0.05x=0.75-1.2<BR>\n" );
document.write( "-0.03x=-0.45<BR>\n" );
document.write( "x=15 gal of 2% is added to 15 gal of 8%  to get  30 gal  at 5%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.02*15+0.08*15=0.05(15+15)<BR>\n" );
document.write( "0.3+1.2=0.05(30)<BR>\n" );
document.write( "1.5=1.5<BR>\n" );
document.write( "ok<BR>\n" );
document.write( "Note that 5 is the average of 2 and 8 so we need equal amount of 2% and 8% </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );