document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=664662>Question 664662</A>: <I><SPAN STYLE=\"word-break: break-all;\"> ou have 10 liters of a solution that is 30% alcohol, how many liters of a 80% alcohol solution must you add to obtain a solution that is 50% alcohol? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #413396 by </B><A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><B>ReadingBoosters(3246)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ReadingBoosters><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=413396\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Establish variable<BR>\n" );
document.write( "x = liters of 80%<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Given<BR>\n" );
document.write( "10 l of 30%<BR>\n" );
document.write( "x l of 80%<BR>\n" );
document.write( "To yield<BR>\n" );
document.write( "10+x of 50%<BR>\n" );
document.write( "...<BR>\n" );
document.write( "Set the equation and solve for x<BR>\n" );
document.write( ".3(10) + .8x = .5(10+x)<BR>\n" );
document.write( "3 + .8x = 5 + .5x<BR>\n" );
document.write( "Group like terms<BR>\n" );
document.write( ".8x - .5x = 5 - 3<BR>\n" );
document.write( ".3x = 2<BR>\n" );
document.write( "Divide both sides by .3<BR>\n" );
document.write( "x = 6.7 liters <BR>\n" );
document.write( ".....................<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );