document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=335325>Question 335325</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons of a 30% acid solution must be mixed with 50 gallons of a 70% acid solution to make a 55% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #240382 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=240382\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .30x+.70*50=.55(50+x)<BR>\n" );
document.write( ".30x+35=27.5+.55x<BR>\n" );
document.write( ".30x-55x=27.5-35<BR>\n" );
document.write( "-.25x=-7.5<BR>\n" );
document.write( "x=-7.5/-.25<BR>\n" );
document.write( "x=30 gallons of 30% solution.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".30*30+.70*50=.55(50+30)<BR>\n" );
document.write( "9+35=.55*80<BR>\n" );
document.write( "44=44<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );