document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=43035>Question 43035</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534494498/algebrahomeworkh>algebra and trigonometry with analytic geometry</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> How many quarts of water dose one add to 6 quarts of a 60% alcohol solution to create a 40% alchohol solution.  I worked it oout to 2 qt. is that right.  Thanks for looking it over with me. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #28088 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=28088\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You start out with 6 quarts of 60% alcohol<BR>\n" );
document.write( "60% of 6 = 3.6 quarts alcohol<BR>\n" );
document.write( "The amount of alcohol never changes<BR>\n" );
document.write( "(amount alcohol / total mixture = fraction of alcohol)<BR>\n" );
document.write( "let w = amount of water to add<BR>\n" );
document.write( "3.6 / (w + 6) = .40<BR>\n" );
document.write( ".4w + 2.4 = 3.6<BR>\n" );
document.write( ".4w = 1.2<BR>\n" );
document.write( "w = 3<BR>\n" );
document.write( "add 3 quarts of water to get a 40% solution of alcohol<BR>\n" );
document.write( "check<BR>\n" );
document.write( "3.6 / (w + 6) = .40<BR>\n" );
document.write( "3.6 / (3 + 6) = .40<BR>\n" );
document.write( "3.6/9 = .4<BR>\n" );
document.write( "OK  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );