document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=242751>Question 242751</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Rachel allows herself 1 hr to reach a sales appointment 50 miles away. After she has driven 30 miles, she realizes that she must increase her speed by 15 mph in order to get there on time. What was her speed for the first 30 miles? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #177708 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=177708\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face =\"Tahoma\" size=1.5><BR>\n" );
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document.write( "Basic Eqn :  <font color=blue>Speed = Distance / Time </font>\r<BR>\n" );
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document.write( "Remember, Rachel Speed should be 50 mi/hr ---> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B1%5D ALIGN=MIDDLE  ALT=\"S%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "After travelling 30 miles in <font color=red>t</font> time ----> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B2%5D ALIGN=MIDDLE  ALT=\"S%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >, she increased by 15mi/hr -----> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B3%5D ALIGN=MIDDLE  ALT=\"S%5B3%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Putting the scenario into eqn:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B1%5D=S%5B2%5D%2BS%5B3%5D ALIGN=MIDDLE  ALT=\"S%5B1%5D=S%5B2%5D%2BS%5B3%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" > ----------> Working Eqn\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50%28mi%2Fhr%29=30%28mi%2Ft%29%2B15%28mi%2Fhr%29 ALIGN=MIDDLE  ALT=\"50%28mi%2Fhr%29=30%28mi%2Ft%29%2B15%28mi%2Fhr%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2850-15%29%28mi%2Fhr%29=30%28mi%2Ft%29 ALIGN=MIDDLE  ALT=\"%2850-15%29%28mi%2Fhr%29=30%28mi%2Ft%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2835%28mi%2Fhr%29%29%28t%29=30mi ALIGN=MIDDLE  ALT=\"%2835%28mi%2Fhr%29%29%28t%29=30mi\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%2835%28mi%2Fhr%29%29%28t%29%2Fcross%2835%28mi%2Fhr%29%29=30cross%28mi%29%2F35%28cross%28mi%29%2Fhr%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=red%28t=0.857hr%29 ALIGN=MIDDLE  ALT=\"red%28t=0.857hr%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ---> subst. to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=S%5B2%5D ALIGN=MIDDLE  ALT=\"S%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So, her speed for the 1st 30 miles = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30mi%2F0.857hr=red%2835%28mi%2Fhr%29%29 ALIGN=MIDDLE  ALT=\"30mi%2F0.857hr=red%2835%28mi%2Fhr%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, ANSWER\r<BR>\n" );
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document.write( "Check, go back Working Eqn:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50%28mi%2Fhr%29=35%28mi%2Fhr%29%2B15%28mi%2Fhr%29 ALIGN=MIDDLE  ALT=\"50%28mi%2Fhr%29=35%28mi%2Fhr%29%2B15%28mi%2Fhr%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50%28mi%2Fhr%29=50%28mi%2Fhr%29 ALIGN=MIDDLE  ALT=\"50%28mi%2Fhr%29=50%28mi%2Fhr%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Thank you,<BR>\n" );
document.write( "Jojo</font>\r<BR>\n" );
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document.write( " </SPAN>\n" );
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