document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1071915>Question 1071915</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The total travel time for a family to reach a campsite is 2 hours. They drove for 81 kilometer and hiked for 2 kilometer. If they drove 50 kilometer per hour faster than they hiked, what is their average driving speed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #686845 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52799)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=686845\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "The total travel time for a family to reach a campsite is 2 hours. They drove for 81 kilometer and hiked for 2 kilometer. <BR>\n" );
document.write( "If they drove 50 kilometer per hour faster than they hiked, what is their average driving speed?<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=81%2Fr+%2B+2%2F%28r-50%29 ALIGN=MIDDLE  ALT=\"81%2Fr+%2B+2%2F%28r-50%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2.\r<BR>\n" );
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document.write( "Solve for \"r\". For it, multiply both sides by r*(r-50), then simplify and solve the quadratic equation which you obtain.\r<BR>\n" );
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document.write( "Post by \"josgarithmetic\" is WRONG.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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