document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=906801>Question 906801</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many gallons of 30% alcohol solution and 45% alcohol solution must be mixed to get 9 gallons of 35% alcohol solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #550051 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=550051\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "a+b=9,<BR>\n" );
document.write( "0.3*a+0.45*b=0.35*9<BR>\n" );
document.write( "a=9-b<BR>\n" );
document.write( "0.3*(9-b)+0.45*b=3.15<BR>\n" );
document.write( "2.7-0.3b+0.45*b=3.15<BR>\n" );
document.write( "0.15*b=0.45<BR>\n" );
document.write( "b=3<BR>\n" );
document.write( "a=9-b<BR>\n" );
document.write( "a=6  gal at 30%<BR>\n" );
document.write( "b=3  gal at 45%<BR>\n" );
document.write( "check<BR>\n" );
document.write( "0.3*6+0.45*3=0.35*9<BR>\n" );
document.write( "1.8+1.35=3.15<BR>\n" );
document.write( "3.15=3.15<BR>\n" );
document.write( "ok<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );