document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=980007>Question 980007</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi can someone please help me with my assignment? Please. So, here's the question...<BR>\n" );
document.write( "'2 hikers, Arione and Jairus, started from the same place at the same time and walked towards Lipa Cty, which is 90 km away from their place. Arione walked 1 km/hr faster than Jairus and reached Lipa 1 hour before him. Find the rate of each hiker.' </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #601209 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=601209\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Two hikers, Arione and Jairus, started from the same place at the same time and walked towards Lipa Cty, which is d km away from their place. Arione walked k km/hr faster than Jairus and reached Lipa h hour before him. Find the rate of each hiker.'\r<BR>\n" );
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document.write( "Let t be the time that Arione needed to reach destination at distance d.\r<BR>\n" );
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document.write( "Let r be Jairus's speed or rate.\r<BR>\n" );
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document.write( "Let d be the destination distance, d=90.<BR>\n" );
document.write( "k=1,<BR>\n" );
document.write( "h=1\r<BR>\n" );
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document.write( "_________________rate____________time____________distance<BR>\n" );
document.write( "Arione___________r+k______________t_______________d<BR>\n" );
document.write( "Jairus____________r______________t-h______________d\r<BR>\n" );
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document.write( "Unknown variables are r and t.\r<BR>\n" );
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document.write( "You may be tempted to immediately form RT expressions for d and equate the terms.  Do not.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28system%28%28r%2Bk%29%2At=d%2Cr%28t-h%29=d%29%29 ALIGN=MIDDLE  ALT=\"highlight%28system%28%28r%2Bk%29%2At=d%2Cr%28t-h%29=d%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "You can use one of the equations to find an expression for t, and substitute into the other equation, and solve for the value of r. </SPAN>\n" );
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