document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1143019>Question 1143019</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Bob goes 21mph faster than  his dad. If  Bob gets to a location in an hour,    how long will it take his dad to get there if he is going 50mph?\r<BR>\n" );
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document.write( "Bob:<BR>\n" );
document.write( "d1= 71x. <BR>\n" );
document.write( "r1= 71<BR>\n" );
document.write( "t1= x<BR>\n" );
document.write( "Dad:<BR>\n" );
document.write( "d2= 50x<BR>\n" );
document.write( "r2= 50<BR>\n" );
document.write( "t2= x+1\r<BR>\n" );
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document.write( "Im not sure what to do from here. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #763769 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=763769\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The problem description is not very clear.  It seems to imply dad goes at 50 mph and that Bob goes at 71 mph.\r<BR>\n" );
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document.write( "x, time for dad to go the same distance,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2871%2A1=d%2C50x=d%29 ALIGN=MIDDLE  ALT=\"system%2871%2A1=d%2C50x=d%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=71=50x ALIGN=MIDDLE  ALT=\"71=50x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=1%2621%2F50 ALIGN=MIDDLE  ALT=\"x=1%2621%2F50\"   DISABLED_style= \"max-width:90%; height:auto;\" >------time, hours for dad.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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