document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=295596>Question 295596</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many ounces of pure alcohol must be added to 40 ounces of a 70% alcohol solution to produce an 85% alcohol solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #213012 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=213012\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     How many ounces of pure alcohol must be added to 40 ounces of a 70% alcohol solution to produce an 85% alcohol solution?.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let x = ounces of pure alcohol added<BR>\n" );
document.write( "then<BR>\n" );
document.write( "x + .70(40) = .85(40+x)<BR>\n" );
document.write( "x + 28 = 34 + .85x<BR>\n" );
document.write( ".15x + 28 = 34<BR>\n" );
document.write( ".15x = 6<BR>\n" );
document.write( "x = 6/.15<BR>\n" );
document.write( "x = 40 ounces </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );