document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=186413>Question 186413</A>: <I><SPAN STYLE=\"word-break: break-all;\"> adam and david were both driving east on the same highway. at 5:00 p.m., adam traveling at 60 miles per hour, was 10 miles east of david. a little later, david, traveling at 70 miles per hour, passed adam. at what time did david pass adam? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #139879 by </B><A HREF=/tutors/aboutme.mpl?userid=jojo14344><B>jojo14344(1513)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jojo14344><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=139879\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> </pre><font size=4><b><BR>\n" );
document.write( "Okay, sorry for this but let us re-state the problem here to make it clear.<BR>\n" );
document.write( "At 5:00pm, Adam and David were on Eastbound highway and Adam, travelling at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60mi%2Fhr ALIGN=MIDDLE  ALT=\"60mi%2Fhr\"   DISABLED_style= \"max-width:90%; height:auto;\" > was 10 miles <font color=\"red\">ahead</font> of David, right? (east of David, meaning farther east?)<BR>\n" );
document.write( ".<BR>\n" );
document.write( "The question is, when David accelerated to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=70mi%2Fhr ALIGN=MIDDLE  ALT=\"70mi%2Fhr\"   DISABLED_style= \"max-width:90%; height:auto;\" >, at what TIME did he passed Adam who's travelling at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60mi%2Fhr ALIGN=MIDDLE  ALT=\"60mi%2Fhr\"   DISABLED_style= \"max-width:90%; height:auto;\" >?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "*Remember: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Speed=Distance%2FTime ALIGN=MIDDLE  ALT=\"Speed=Distance%2FTime\"   DISABLED_style= \"max-width:90%; height:auto;\" >---><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S=D%2FT ALIGN=MIDDLE  ALT=\"S=D%2FT\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=S%2AT ALIGN=MIDDLE  ALT=\"D=S%2AT\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "*\"D\" is constant since no one stopped---><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D%5BA%5D=D%5BD%5D ALIGN=MIDDLE  ALT=\"D%5BA%5D=D%5BD%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5BA%5D%2AT%2Bhighlight%2810mi%2Fhr%29=S%5BD%5D%2AT ALIGN=MIDDLE  ALT=\"S%5BA%5D%2AT%2Bhighlight%2810mi%2Fhr%29=S%5BD%5D%2AT\"   DISABLED_style= \"max-width:90%; height:auto;\" >, remember to add 10mi/hr because he's ahead.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2860mi%2Fhr%29%28T%29%2B10%28mi%2Fhr%29=70%28mi%2Fhr%29T ALIGN=MIDDLE  ALT=\"%2860mi%2Fhr%29%28T%29%2B10%28mi%2Fhr%29=70%28mi%2Fhr%29T\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10=70T-60T ALIGN=MIDDLE  ALT=\"10=70T-60T\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10=10T ALIGN=MIDDLE  ALT=\"10=10T\"   DISABLED_style= \"max-width:90%; height:auto;\" >=====> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%2810%291%2Fcross%2810%291=cross%2810%29T%2Fcross%2810%29 ALIGN=MIDDLE  ALT=\"cross%2810%291%2Fcross%2810%291=cross%2810%29T%2Fcross%2810%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28T=1hour%29 ALIGN=MIDDLE  ALT=\"highlight%28T=1hour%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, after 1 hour they'll be at the same Distance.<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5BA%5D%2AT%2B10=60%28mi%2Fcross%28hr%29%29%2A1%2Across%28hr%29%2B10=70miles ALIGN=MIDDLE  ALT=\"S%5BA%5D%2AT%2B10=60%28mi%2Fcross%28hr%29%29%2A1%2Across%28hr%29%2B10=70miles\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5BD%5D%2AT=70%28mi%2Fcross%28hr%29%29%2A1%2Across%28hr%29=70miles ALIGN=MIDDLE  ALT=\"S%5BD%5D%2AT=70%28mi%2Fcross%28hr%29%29%2A1%2Across%28hr%29=70miles\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So, <font color=\"red\">after 1 hour</font>(pass 6:00pm), David passed Adam, for David is faster.<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Thank you,<BR>\n" );
document.write( "Jojo</pre> </SPAN>\n" );
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