document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=346007>Question 346007</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons of a 3% salt solution must be mixed with 10 gallons of a 7% 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 #247402 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=247402\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3% solution - x gallons<BR>\n" );
document.write( "7% 10 gallons<BR>\n" );
document.write( "mixture 4% (x+10)gallons<BR>\n" );
document.write( ".....<BR>\n" );
document.write( "0.03x+0.07*10=0.04(x+10)<BR>\n" );
document.write( "0.03x+0.7=0.04x+0.1<BR>\n" );
document.write( "0.04x-0.03x=0.7-0.1<BR>\n" );
document.write( "0.01x=0.6<BR>\n" );
document.write( "divide by 0.01<BR>\n" );
document.write( "x=0.6/0.01<BR>\n" );
document.write( "x=6 gallons.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );