document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=282902>Question 282902</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My professor says there is \"an unacceptable answer\" and I needed more detail on line 7 of the equation.  I am lost. Please help.  Here's the original question:\r<BR>\n" );
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document.write( "Frank drove 300 miles to the beach for vacation. On the way home, he averaged 10 miles per hour less, and the drive took him one hour longer.  What was his total driving time?\r<BR>\n" );
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document.write( "D=rt<BR>\n" );
document.write( "r= time on the way to the beach<BR>\n" );
document.write( "r-10= time returning<BR>\n" );
document.write( "t=time on the way to the beach<BR>\n" );
document.write( "t+1=return time<BR>\n" );
document.write( "r*t=300<BR>\n" );
document.write( "(r-10)*(t+1)=300 \"You need more detail here.\"<BR>\n" );
document.write( "r=60<BR>\n" );
document.write( "t=5<BR>\n" );
document.write( "return= 5+1<BR>\n" );
document.write( "11 hours total driving time<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #205369 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=205369\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> r*t=300<BR>\n" );
document.write( "(r-10)*(t+1)=300 \"You need more detail here.\"<BR>\n" );
document.write( "r=60<BR>\n" );
document.write( "t=5<BR>\n" );
document.write( "return= 5+1<BR>\n" );
document.write( "11 hours total driving time<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "Maybe he means from there onward ??<BR>\n" );
document.write( "r*t=300<BR>\n" );
document.write( "(r-10)*(t+1)=300<BR>\n" );
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document.write( "How did you go from there to <BR>\n" );
document.write( "r=60<BR>\n" );
document.write( "t=5 ?? </SPAN>\n" );
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