document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=741200>Question 741200</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \"Set up an equation and solve the following problem. How many liters of pure alcohol must be added to 20 liters of a 30% solution to obtain a 90% solution?\"\r<BR>\n" );
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document.write( "Can I get help with how to work this problem?<BR>\n" );
document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #451889 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=451889\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (Amount of alcohol)/(amount of total solution) = (concentration of alcohol)\r<BR>\n" );
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document.write( "Let v = unknown liters amount of pure alcohol, 100% to add.<BR>\n" );
document.write( "Amount of alcohol = v*100+20*30<BR>\n" );
document.write( "Amount of resulting solution = v+20<BR>\n" );
document.write( "Concentration of alcohol expected for resulting solution = 90%\r<BR>\n" );
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document.write( "Form the proper equation and solve for the unknown variable, v. </SPAN>\n" );
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