document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1200511>Question 1200511</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much 50% antifreeze solution and 40% antifreeze solution should be combined to give 50 gallons of 46% antifreeze solution?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #834662 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=834662\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "The response from the other tutor shows a typical setup for solving the problem using formal algebra.  Assuming you are studying algebra, you should understand that method.<br><BR>\n" );
document.write( "If formal algebra is not required and you want a fast path to the answer, you can do the following.<br><BR>\n" );
document.write( "46% is 6/10 = 3/5 of the way from 40% to 50%.<BR>\n" );
document.write( "That means 3/5 of the mixture should be the higher percentage antifreeze.<br><BR>\n" );
document.write( "ANSWERS: 3/5 of 50 gallons, of 30 gallons, of the 50% antifreeze, the other 20 gallons of 40%<br><BR>\n" );
document.write( "CHECK:<BR>\n" );
document.write( ".50(30)+.40(20) = 15+8 = 23<BR>\n" );
document.write( ".46(50) = 23<br><BR>\n" );
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