document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=399944>Question 399944</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I understand what the question is asking me. My problem is I do not know how to set it up to solve it. If I could just figure out how it write the formula I could probably solve it. It goes as follows:\r<BR>\n" );
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document.write( "How much 2% alcohol must be mixed with 10% alcohol to get 2000 ml of 8% alcohol? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #283168 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=283168\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a ALIGN=MIDDLE  ALT=\"a\"   DISABLED_style= \"max-width:90%; height:auto;\" > = ml of 2% alcohol needed<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b ALIGN=MIDDLE  ALT=\"b\"   DISABLED_style= \"max-width:90%; height:auto;\" > = ml of 10% alcohol needed<BR>\n" );
document.write( "It follows, then:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.02a ALIGN=MIDDLE  ALT=\".02a\"   DISABLED_style= \"max-width:90%; height:auto;\" > = ml of alcohol in 2% solution<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.1b ALIGN=MIDDLE  ALT=\".1b\"   DISABLED_style= \"max-width:90%; height:auto;\" > = ml of alcohol in 10% solution<BR>\n" );
document.write( "In words:<BR>\n" );
document.write( "(ml of alcohol in final solution)/(ml of solution) = 8%<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.02a+%2B+.1b%29%2F2000+=+.08 ALIGN=MIDDLE  ALT=\"%28.02a+%2B+.1b%29%2F2000+=+.08\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+%2B+b+=+2000 ALIGN=MIDDLE  ALT=\"a+%2B+b+=+2000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.02a+%2B+.1b+=+160 ALIGN=MIDDLE  ALT=\".02a+%2B+.1b+=+160\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2a+%2B+10b+=+16000 ALIGN=MIDDLE  ALT=\"2a+%2B+10b+=+16000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides of (2) by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2 ALIGN=MIDDLE  ALT=\"2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and subtract (2) from (1)<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2a+%2B+10b+=+16000 ALIGN=MIDDLE  ALT=\"2a+%2B+10b+=+16000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2a+-+2b+=+-4000 ALIGN=MIDDLE  ALT=\"-2a+-+2b+=+-4000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=8b+=+12000 ALIGN=MIDDLE  ALT=\"8b+=+12000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b+=+1500 ALIGN=MIDDLE  ALT=\"b+=+1500\"   DISABLED_style= \"max-width:90%; height:auto;\" > ml<BR>\n" );
document.write( "And,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+%2B+b+=+2000 ALIGN=MIDDLE  ALT=\"a+%2B+b+=+2000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+2000+-+1500 ALIGN=MIDDLE  ALT=\"a+=+2000+-+1500\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a+=+500 ALIGN=MIDDLE  ALT=\"a+=+500\"   DISABLED_style= \"max-width:90%; height:auto;\" > ml<BR>\n" );
document.write( "500 ml of 2% alcohol are needed<BR>\n" );
document.write( "1500 ml of 10% alcohol are needed<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "check answer:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.02a+%2B+.1b%29%2F2000+=+.08 ALIGN=MIDDLE  ALT=\"%28.02a+%2B+.1b%29%2F2000+=+.08\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28.02%2A500+%2B+.1%2A1500%29%2F2000+=+.08 ALIGN=MIDDLE  ALT=\"%28.02%2A500+%2B+.1%2A1500%29%2F2000+=+.08\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810+%2B+150%29%2F2000+=+.08 ALIGN=MIDDLE  ALT=\"%2810+%2B+150%29%2F2000+=+.08\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=160%2F2000+=+.08 ALIGN=MIDDLE  ALT=\"160%2F2000+=+.08\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=160+=+160 ALIGN=MIDDLE  ALT=\"160+=+160\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );