document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=629386>Question 629386</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 ?<BR>\n" );
document.write( "How much of each solution is used, 30% and 45% ?\r<BR>\n" );
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document.write( "I really do not understand how to work this problem out, I'm confused and my answers don't make sence. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #396243 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=396243\">put this solution on YOUR website!</A><BR><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 ?<BR>\n" );
document.write( "How much of each solution is used, 30% and 45% ?<BR>\n" );
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document.write( "t = amt of 30%<BR>\n" );
document.write( "f = amt of 45%<BR>\n" );
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document.write( "t + f = 9 (total solution)<BR>\n" );
document.write( "30*t + 45*f = 35*9 (total alcohol)<BR>\n" );
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document.write( "t = 9 - f<BR>\n" );
document.write( "30*t + 45*f = 35*9<BR>\n" );
document.write( "Sub for t<BR>\n" );
document.write( "30*(9-f) + 45*f = 35*9<BR>\n" );
document.write( "Solve for f, then solve for t<BR>\n" );
document.write( "Can you finish it?<BR>\n" );
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