document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1070250>Question 1070250</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dennis and Chris Reed leave simultaneously from the same point hiking in opposite&#8203; directions, Dennis walking at 4 miles per hour and Chris at 2 mph.  How long can they talk on their&#8203; walkie-talkies if the&#8203; walkie-talkies have a 15 mile&#8203; radius?<BR>\n" );
document.write( "&#8195;&#8203;(Round to one decimal&#8203; place.)\r<BR>\n" );
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document.write( "Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #685392 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><B>algebrahouse.com(1659)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrahouse.com><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=algebrahouse.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=685392\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Distance = rate x time<BR>\n" );
document.write( "d = rt\r<BR>\n" );
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document.write( "Dennis <BR>\n" );
document.write( "rate = 4<BR>\n" );
document.write( "time = t  {left at same time}<BR>\n" );
document.write( "d = 4t   {distance = rate x time}\r<BR>\n" );
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document.write( "Chris<BR>\n" );
document.write( "rate = 2<BR>\n" );
document.write( "time = t   {left at same time}<BR>\n" );
document.write( "d = 2t   {distance = rate x time}\r<BR>\n" );
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document.write( "Combined distances must be no more than 15 miles.\r<BR>\n" );
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document.write( "4t + 2t = 15   {added distances and set equal to 15}<BR>\n" );
document.write( "6t = 15 {combined like terms}<BR>\n" );
document.write( "t = 2.5 hours   {divided each side by 6}\r<BR>\n" );
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document.write( ".5 hours is 30 minutes.\r<BR>\n" );
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document.write( "They can talk for 2 hours and 30 minutes,<BR>\n" );
document.write( "or 2.5 hours as requested for rounding.<BR>\n" );
document.write( "<br>For more help from me, visit: <a  rel=nofollow HREF= \"http://www.algebrahouse.com/\" target = \"_blank\">www.algebrahouse.com</a><br><br><br>\r<BR>\n" );
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