document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=905596>Question 905596</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jenny wants to make 13 qt. of a 59% solution by mixing together a 53% acid solution and a 69% acid solution. How much of each solution must she use? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549383 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=549383\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "a+b=13,<BR>\n" );
document.write( "0.53*a+0.69*b=0.59*13<BR>\n" );
document.write( "a=13-b<BR>\n" );
document.write( "0.53*(13-b)+0.69*b=7.67<BR>\n" );
document.write( "6.89-0.53b+0.69*b=7.67<BR>\n" );
document.write( "0.16*b=0.78<BR>\n" );
document.write( "b=4.875<BR>\n" );
document.write( "a=13-b<BR>\n" );
document.write( "a=8.125 qt. at 53% b=4.875 qt. at 69%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.53*8.125+0.69*4.875=0.59*13<BR>\n" );
document.write( "4.30625+3.36375=7.67<BR>\n" );
document.write( "7.67=7.67<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );