document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=911730>Question 911730</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of 70 percent alcohol must be mixed with 150 liters of 10 percent alcohol to make a mixture that is 50 percent alcohol </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #553300 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=553300\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have 150 liter of 10% solution<BR>\n" );
document.write( "We want to add some 70% solution  to make   50% solution<BR>\n" );
document.write( "0.7*x+0.1*150=0.5(150+x)<BR>\n" );
document.write( "0.7*x+15=75+0.5x<BR>\n" );
document.write( "0.7x-0.5x=75-15<BR>\n" );
document.write( "0.2x=60<BR>\n" );
document.write( "x=300 liter at 70% (210) is added to 150 liter at 10%(15) to make 50% of 450 liter(225)<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.7*300+0.1*150=0.5(150+300)<BR>\n" );
document.write( "210+15=0.5(450)<BR>\n" );
document.write( "225=225<BR>\n" );
document.write( "ok<BR>\n" );
document.write( "codemixadd<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );