document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=166784>Question 166784</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much water should be added to 30 gallon of a solution that is 70% antifreeze to bring the antifreeze percentage down to 60%. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #122886 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=122886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "How much water should be added to 30 gallon of a solution that is 70% antifreeze to bring the antifreeze percentage down to 60%.<BR>\n" );
document.write( "------------------------------------<BR>\n" );
document.write( "antifreeze + antifreeze = antifreeze<BR>\n" );
document.write( "0.70*30 + 0*x = 0.60(30+x)<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "70*30 + 0 = 60(30+x)<BR>\n" );
document.write( "2100 = 1800 + 60x<BR>\n" );
document.write( "60x = 300<BR>\n" );
document.write( "x = 5 gallons (amount of pure water hat should be added to the mixture )<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );