document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=213531>Question 213531</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A farmer has a 10% insecticide solution and a 50% solution. How much of each should he mix together to obtain 40 gallons of a 35% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #161318 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=161318\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .5X+.1(40-X)=.35*40<BR>\n" );
document.write( ".5X+4-.1X=14<BR>\n" );
document.write( ".4X=14-4<BR>\n" );
document.write( ".4X=10<BR>\n" );
document.write( "X=10/.4<BR>\n" );
document.write( "X=25 GAL. OF 50% INSECTICIDE IS USED.<BR>\n" );
document.write( "40-25=15 GAL. OF 10% INSECTICIDE IS USED.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".5*25+.1*15=.35840<BR>\n" );
document.write( "12.5+1.5=14<BR>\n" );
document.write( "14=14<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );