document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=912083>Question 912083</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How much of a 30% mixture of fertilizer to be mixed w 70% fertilizer to get 40gallons of 60% fertilizer...how much 30% and how much 70%? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #553547 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=553547\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We need a total of 40 gal at 60%<BR>\n" );
document.write( "We want to know how many gal at 30% to mix with 70%<BR>\n" );
document.write( "a+b=40,<BR>\n" );
document.write( "0.3*a+0.7*b=0.6*40<BR>\n" );
document.write( "a=40-b<BR>\n" );
document.write( "0.3*(40-b)+0.7*b=24<BR>\n" );
document.write( "12-0.3b+0.7*b=24<BR>\n" );
document.write( "0.4*b=12<BR>\n" );
document.write( "b=30<BR>\n" );
document.write( "a=40-b<BR>\n" );
document.write( "a=10 gal at 30%<BR>\n" );
document.write( "b=30 gal at 70%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.3*10+0.7*30=0.6*40<BR>\n" );
document.write( "3+21=24<BR>\n" );
document.write( "24=24<BR>\n" );
document.write( "ok<BR>\n" );
document.write( "codemx1<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );