document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1088081>Question 1088081</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a water refilling station, the time that a pipe takes to fill a tank is 10 minutes more than the time that another pipe takes to fill the same tank. If the two pipes are opened at the same time, they can fill the tank in 12 minutes. How many minutes does each pipe take to fill the tank?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #702353 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=702353\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x, time for pipe<BR>\n" );
document.write( "x+10, time for the first pipe\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fx%2B1%2F%28x%2B10%29=1%2F12 ALIGN=MIDDLE  ALT=\"1%2Fx%2B1%2F%28x%2B10%29=1%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "discriminant,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=196%2B4%2A120=196%2B480=676=26%5E2 ALIGN=MIDDLE  ALT=\"196%2B4%2A120=196%2B480=676=26%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >;\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=%2814%2B-+26%29%2F2 ALIGN=MIDDLE  ALT=\"x=%2814%2B-+26%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >, but only the PLUS form will work.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=20 ALIGN=MIDDLE  ALT=\"x=20\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "first pipe alone,  20 minutes<BR>\n" );
document.write( "second pipe alone,  30 minutes<BR>\n" );
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