document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1201492>Question 1201492</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much water must be added to 5L of 8% weed killer mixture to make a 5% weed killer mixture? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #835885 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13203)</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=835885\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "A description of the standard setup for solving the problem using formal algebra:<br><BR>\n" );
document.write( "You are mixing 5 liters that is 8% weed killer to an unknown number of liters x that is 0% weed killer, resulting in (5+x) liters that is 5% weed killer:<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.08%285%29%2B0%28x%29=.05%285%2Bx%29 ALIGN=MIDDLE  ALT=\".08%285%29%2B0%28x%29=.05%285%2Bx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.4=.25%2B.05x ALIGN=MIDDLE  ALT=\".4=.25%2B.05x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.15=.05x ALIGN=MIDDLE  ALT=\".15=.05x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=.15%2F.05=15%2F5=3 ALIGN=MIDDLE  ALT=\"x=.15%2F.05=15%2F5=3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "ANSWER: 3 liters<br><BR>\n" );
document.write( "If formal algebra is not required, here is a fast and easy informal way to solve the problem.<br><BR>\n" );
document.write( "You are mixing 0% weed killer and 8% weed killer to get 5% weed killer.<BR>\n" );
document.write( "5% is 5/8 of the way from 0% to 8%.  (Picture the three percentages on a number line, if it helps.)<BR>\n" );
document.write( "That means 5/8 of the mixture is the 8% weed killer.<BR>\n" );
document.write( "So 5/8 of the mixture is the 5 liters of 8% weed killer that you started with; that means 3/8 of the mixture is the water you added.<BR>\n" );
document.write( "Since 5/8 of the mixture is 5 liters, 3/8 of the mixture is 3 liters.<br><BR>\n" );
document.write( "ANSWER: 3 liters<br><BR>\n" );
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