document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=729659>Question 729659</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons of a 50% antifreeze solution must be mixed with 100 gallons of a 30% antifreeze solution to get a mixture that is 40% antifreeze? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #446162 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=446162\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .50X+.30*100=.40(100+X)<BR>\n" );
document.write( ".50X+30=40-.40X<BR>\n" );
document.write( ".50X-.40X=40-30<BR>\n" );
document.write( ".10X=10\r<BR>\n" );
document.write( "\n" );
document.write( "X=10/.10<BR>\n" );
document.write( "X=100 GALLONS OF 50% ARE NEEDED.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".50*100+.30*100=.40(100+100)<BR>\n" );
document.write( "50+30=.40*200<BR>\n" );
document.write( "80=80<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );