document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=909463>Question 909463</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A photographer has two bottles of developer, one a 70% solution, the other, 20% solution. How much developer should he take from each bottle to make 10 ounces of 50% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #551886 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=551886\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a+b=10,<BR>\n" );
document.write( "0.7*a+0.2*b=0.5*10<BR>\n" );
document.write( "a=10-b<BR>\n" );
document.write( "0.7*(10-b)+0.2*b=5<BR>\n" );
document.write( "7-0.7b+0.2*b=5<BR>\n" );
document.write( "-0.5*b=-2<BR>\n" );
document.write( "b=4<BR>\n" );
document.write( "a=10-b<BR>\n" );
document.write( "a=6  oz. at 70%<BR>\n" );
document.write( "b=4  oz. at 20%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.7*6+0.2*4=0.5*10<BR>\n" );
document.write( "4.2+0.8=5<BR>\n" );
document.write( "5=5<BR>\n" );
document.write( "ok<BR>\n" );
document.write( "codemx1<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );