document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=478791>Question 478791</A>: <I><SPAN STYLE=\"word-break: break-all;\"> pls. help me solve this prob. tnx.\r<BR>\n" );
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document.write( "prob.1. Mary and Nancy set off on a 220- km jeepney. Nancy started the journey 15minutes earlier than mary. They reached the destination at the same time. If Nancy's speed was 80km/hr, find the Mary's speed.\r<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 #328054 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=328054\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let Mary's speed = x kph<BR>\n" );
document.write( "Nancy's speed = 80 kph\r<BR>\n" );
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document.write( "They reached at the same time\r<BR>\n" );
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document.write( "220/80 -220/x =1/4\r<BR>\n" );
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document.write( "LCD = 80x\r<BR>\n" );
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document.write( "(220x-220*80)/80x=1/4<BR>\n" );
document.write( "220x-17600=80x/4<BR>\n" );
document.write( "(220x-17600)=20x<BR>\n" );
document.write( "220x-20x=17600<BR>\n" );
document.write( "200x= 17600<BR>\n" );
document.write( "x=17600/200<BR>\n" );
document.write( "x=88 kph Mary's speed\r<BR>\n" );
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document.write( "m.ananth@hotmail.ca </SPAN>\n" );
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