document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=486071>Question 486071</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One gallon container is full of a 75% alcohol solution. How much must be drained off and replaced by a 50% alcohol solution to produce one gallon of 65% 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 #332329 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=332329\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One gallon container is full of a 75% alcohol solution. How much must be drained off and replaced by a 50% alcohol solution to produce one gallon of 65% alcohol solution?<BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=gal of 75% solution to be drained and replaced by a 50% solution.<BR>\n" );
document.write( "1-x= gal of 75% solution remaining.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "75%(1-x)+50%(x)=65%(1)<BR>\n" );
document.write( ".75-.75x+.5x=.65<BR>\n" );
document.write( "-.25x=-.10<BR>\n" );
document.write( "x=0.4 gal<BR>\n" );
document.write( "ans:<BR>\n" );
document.write( "0.4 gal of 75% solution must be drained and replaced by a 50% solution  to produce one gallon of 65% alcohol solution </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );