document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=997238>Question 997238</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two trains depart from the station. The first train goes to west and second train goes to north. First train runs faster 5km/ph than second. If, after 2 hours both trains are at the distance of 50km then what will be the average speed of trains? ...\r<BR>\n" );
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document.write( "A-15/10km<BR>\n" );
document.write( "B-20/15km<BR>\n" );
document.write( "C-20/25km<BR>\n" );
document.write( "D-25/30km </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #615428 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=615428\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Right triangle with the Right angle at departure point.\r<BR>\n" );
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document.write( "Speeds are r and r+5, and the time quantity is 2 hours, and the hypotenuse is 50 kilometers.\r<BR>\n" );
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document.write( "Pythagorean Theorem Formula for the description's Right Triangle:   <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28r%2A2%29%5E2%2B%28%28r%2B5%29%282%29%29%5E2=50%5E2 ALIGN=MIDDLE  ALT=\"%28r%2A2%29%5E2%2B%28%28r%2B5%29%282%29%29%5E2=50%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The question is not very clear.  It seems to mean  the average of r and r+5.  This would be, before solving for r,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28r%2B%28r%2B5%29%29%2F2 ALIGN=MIDDLE  ALT=\"%28r%2B%28r%2B5%29%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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