document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=902904>Question 902904</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many liters of a 10% acid solution can  be mixed with a 50% acid solution in order to obtain 15 liters of a 30% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #547699 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=547699\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a+b=15,<BR>\n" );
document.write( "0.1*a+0.5*b=0.3*15<BR>\n" );
document.write( "a=15-b<BR>\n" );
document.write( "0.1*(15-b)+0.5*b=4.5<BR>\n" );
document.write( "1.5-0.1b+0.5*b=4.5<BR>\n" );
document.write( "0.4*b=3<BR>\n" );
document.write( "b=7.5<BR>\n" );
document.write( "a=15-b<BR>\n" );
document.write( "a=7.5 liter at 10% b=7.5 liter at 50%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.1*7.5+0.5*7.5=0.3*15<BR>\n" );
document.write( "0.75+3.75=4.5<BR>\n" );
document.write( "4.5=4.5<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );