document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=910167>Question 910167</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons of 25% alcohol solution and 40% alcohol solution must be mixed to get 9 gallons of 30% alcohol solution? <BR>\n" );
document.write( "Here's what I tried which has to be wrong...\r<BR>\n" );
document.write( "\n" );
document.write( "25x+40y=30<BR>\n" );
document.write( ".40+25(9-x)=30(9) ??? stumped and confused from hours of this. <BR>\n" );
document.write( "Thank you ! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #552262 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=552262\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many gallons of 25% alcohol solution and 40% alcohol solution must be mixed to get 9 gallons of 30% alcohol solution? <BR>\n" );
document.write( "***<BR>\n" );
document.write( "let x=amt of 25% solution to mix<BR>\n" );
document.write( "9-x=amt of 40% solution to mix<BR>\n" );
document.write( "..<BR>\n" );
document.write( "25%x+40%(9-x)=30%*9<BR>\n" );
document.write( ".25x+3.6-.40x=2.7<BR>\n" );
document.write( ".15x=0.90<BR>\n" );
document.write( "x=6<BR>\n" );
document.write( "9-x=3<BR>\n" );
document.write( "amt of 25% solution to mix=6 gal<BR>\n" );
document.write( "amt of 40% solution to mix=3 gal </SPAN>\n" );
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