document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=895955>Question 895955</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if i have 100 bottles of 100% alcohol and an unlimited supply of 50% alcohol how many 50% would i have to add to make it 80%  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #543119 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=543119\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if i have 100 bottles of 100% alcohol and an unlimited supply of 50% alcohol how many 50% would i have to add to make it 80%<BR>\n" );
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document.write( "let x=number of 50% bottles to add<BR>\n" );
document.write( "100-x=number of 100% bottles to use<BR>\n" );
document.write( "..<BR>\n" );
document.write( "50%x+100%(100-x)=80%*100<BR>\n" );
document.write( ".50x+100-x=80<BR>\n" );
document.write( ".50x=20<BR>\n" );
document.write( "x=40<BR>\n" );
document.write( "100-x=60<BR>\n" );
document.write( "number of 50% bottles to add=40 </SPAN>\n" );
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