document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=912404>Question 912404</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Fran took 50 ml of a 25% solution how much of a 68% solution would she have to add to obtain to get a mixture of 43% </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #553785 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=553785\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We have 50 mL of 25% solution<BR>\n" );
document.write( "We want to add some 68% solution  to make   43% solution<BR>\n" );
document.write( "0.68*x+0.25*50=0.43(50+x)<BR>\n" );
document.write( "0.68*x+12.5=21.5+0.43x<BR>\n" );
document.write( "0.68x-0.43x=21.5-12.5<BR>\n" );
document.write( "0.25x=9<BR>\n" );
document.write( "x=36 mL at 68% (24.48) is added to 50 mL at 25%(12.5) to make 43% of 86 mL(36.98)<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.68*36+0.25*50=0.43(50+36)<BR>\n" );
document.write( "24.48+12.5=0.43(86)<BR>\n" );
document.write( "36.98=36.98<BR>\n" );
document.write( "ok<BR>\n" );
document.write( "codemixadd<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );