document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=443368>Question 443368</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On a 40-mile car trip to Middletown, NY, you drive the first twenty miles at 30<BR>\n" );
document.write( "miles per hour. How fast will you have to go the last twenty miles in order to<BR>\n" );
document.write( "arrive exactly one hour after you left? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305843 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=305843\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> On a 40-mile car trip to Middletown, NY, you drive the first twenty miles at 30 miles per hour.<BR>\n" );
document.write( " How fast will you have to go the last twenty miles in order to arrive exactly one hour after you left?<BR>\n" );
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document.write( "Let s = speed required to make the trip in one hour<BR>\n" );
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document.write( "Write a time equation. Time = dist/speed<BR>\n" );
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document.write( "1st 20 mi time + 2nd 20 mi time = 1 hour<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2F30 ALIGN=MIDDLE  ALT=\"20%2F30\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2Fs ALIGN=MIDDLE  ALT=\"20%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( "reduce fraction<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F3 ALIGN=MIDDLE  ALT=\"2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2Fs ALIGN=MIDDLE  ALT=\"20%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( "multiply by 3s<BR>\n" );
document.write( "2s + 3(20) = 3s<BR>\n" );
document.write( "60 = 3s - 2s<BR>\n" );
document.write( "s = 60 mph to arrive in 1 hr<BR>\n" );
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document.write( "Check the time<BR>\n" );
document.write( "20/30 + 20/60 = 1 </SPAN>\n" );
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