document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=259795>Question 259795</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is it possible to mix a 30% antifreeze solution with a 50% antifreeze solution and obtain a 70% antifreeze solution?  Why or why not?  \r<BR>\n" );
document.write( "\n" );
document.write( "I've tried making a table with the %s, but I can't understand it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #191262 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=191262\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> No, the only mixtures you can obtain range from 30% to 50%. <BR>\n" );
document.write( "30% means no 50% solution added to the mix. <BR>\n" );
document.write( "50% means no 30% solution added to the mix.<BR>\n" );
document.write( "Algebraically, let A be the # of gallons of 30% solution, B be the # of gallons of 50% solution.<BR>\n" );
document.write( "Let's try to make 1 gallon of 70% solution. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A%2BB=1 ALIGN=MIDDLE  ALT=\"A%2BB=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30A%2B50B=70 ALIGN=MIDDLE  ALT=\"30A%2B50B=70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From eq. 1, <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=1-B ALIGN=MIDDLE  ALT=\"A=1-B\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%281-B%29%2B50B=70 ALIGN=MIDDLE  ALT=\"30%281-B%29%2B50B=70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30-30B%2B50B=70 ALIGN=MIDDLE  ALT=\"30-30B%2B50B=70\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20B=40 ALIGN=MIDDLE  ALT=\"20B=40\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=2 ALIGN=MIDDLE  ALT=\"B=2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Oops I need 2 gallons of B to make one gallon of 70% solution. <BR>\n" );
document.write( "Now if you solve for A.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=1-B=1-2=-1 ALIGN=MIDDLE  ALT=\"A=1-B=1-2=-1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Wow now I need -1 gallons, how do you do that?<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "It's not possible, you need to increase the concentration of the solution to add least 70% or it won't work. <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );