document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=126581>Question 126581</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If you mix a 50% concentrate acic solution and a 20% concentrate acid solution and you end up with 40 gallons of a 42.5% concentrate acid solution, how much of the 50% and 20% solution did you use. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #92729 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=92729\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .50X+.20(40-X)=.425*40<BR>\n" );
document.write( ".5X+8-.2X=17<BR>\n" );
document.write( ".3X=17-8<BR>\n" );
document.write( ".3X=9<BR>\n" );
document.write( "X=9/.3<BR>\n" );
document.write( "X=30 GALLONS OF 50% ARE REQUIRED.<BR>\n" );
document.write( "40-30=10 GALLONS OF 20% IS REQUIRED.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( ".5*30+.2*10=17<BR>\n" );
document.write( "15+2=17<BR>\n" );
document.write( "17=17  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );