document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1160428>Question 1160428</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You need a 5% alcohol solution. On hand, you have a 35 mL of a 50% alcohol mixture. How much pure water will you need to add to obtain the desired solution?\r<BR>\n" );
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document.write( "A) Write an equation using the information as it is given above that can be used to solve this problem. Use <BR>\n" );
document.write( "x as your variable to represent the amount of pure water you need to use.<BR>\n" );
document.write( "Equation:     \r<BR>\n" );
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document.write( "B) You will need <BR>\n" );
document.write( " ? mL of pure water <BR>\n" );
document.write( "to obtain <BR>\n" );
document.write( " ? mL of the desired 5% solution.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #783694 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=783694\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.5%2A35%2F%28v%2B35%29=0.05 ALIGN=MIDDLE  ALT=\"0.5%2A35%2F%28v%2B35%29=0.05\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "This will help but is usually not necessary:<BR>\n" );
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document.write( "MATERIAL           CONCENTRATION (as fraction)      VOLUME\r\n" );
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document.write( "50% Alcohol                    0.5                   35\r\n" );
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document.write( "Water                          0.0                    v\r\n" );
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document.write( "5% Solution                   0.05                  v+35\r\n" );
document.write( "   Result\r\n" );
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document.write( "Result wanted is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.05=%28alcoholquantity%29%2F%28totalvolume%29 ALIGN=MIDDLE  ALT=\"0.05=%28alcoholquantity%29%2F%28totalvolume%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.05=%280.5%2A35%29%2F%28v%2B35%29 ALIGN=MIDDLE  ALT=\"0.05=%280.5%2A35%29%2F%28v%2B35%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "This is clear enough.  Solve for v. </SPAN>\n" );
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