document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=501663>Question 501663</A>: <I><SPAN STYLE=\"word-break: break-all;\">         Sharon commutes to her office by train. When she walks to the train station,it takes her 40 min. When she rides her bike, it takes her 12 min. Her average walking rate is 7 mph less than her average biking rate. Find the distance from her house to the train station. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #338603 by </B><A HREF=/tutors/aboutme.mpl?userid=geetha_rama><B>geetha_rama(94)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=geetha_rama><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=338603\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let d be the distance <BR>\n" );
document.write( "X m/hr be the walking speed<BR>\n" );
document.write( "Y m/hr be the speed in bike<BR>\n" );
document.write( "X = Y -7 -> equation 1\r<BR>\n" );
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document.write( "distance = speed * time\r<BR>\n" );
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document.write( "Walking: <BR>\n" );
document.write( "   d = X*40/60 = 2*X/3\r<BR>\n" );
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document.write( "In Bike:<BR>\n" );
document.write( "    d = Y * 12/60 = Y/5\r<BR>\n" );
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document.write( "Equation above ,<BR>\n" );
document.write( " 2*X/3 = Y/5\r<BR>\n" );
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document.write( "10X = 3Y\r<BR>\n" );
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document.write( "from equation 1,<BR>\n" );
document.write( "   10(Y-7) = 3Y<BR>\n" );
document.write( "     7Y = 70<BR>\n" );
document.write( "    Y = 10 miles/hr\r<BR>\n" );
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document.write( "Distance = 10*1/5 = 2 miles </SPAN>\n" );
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