document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=724285>Question 724285</A>: <I><SPAN STYLE=\"word-break: break-all;\"> harry stopped the car at the main entrance.here we are,exactly seven minutes late.he said this time i avereged 30 miles per hour.last time we did the trip  we were five minutes early.and we sarted at the same time  this time i avereged 36 miles per hour. what was the distance? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #443709 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=443709\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Here we are, exactly seven minutes late. This time I averaged 30 miles per hour.<BR>\n" );
document.write( "Last time we did the trip, we were five minutes early. <BR>\n" );
document.write( "We started at the same time.  This time I averaged 36 miles per hour.<BR>\n" );
document.write( "What was the distance?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Since we are using mph:<BR>\n" );
document.write( "Change 5 min to 5/60 hr<BR>\n" );
document.write( "Change 7 min to 7/60 hr<BR>\n" );
document.write( ":<BR>\n" );
document.write( "let t = normal \"on-time\" time for the trip<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Write a distance equation, dist = speed * time,<BR>\n" );
document.write( "36(t-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F60 ALIGN=MIDDLE  ALT=\"5%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >) = 30(t+<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F60 ALIGN=MIDDLE  ALT=\"7%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( "divide both sides by 6<BR>\n" );
document.write( "6(t-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F60 ALIGN=MIDDLE  ALT=\"5%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >) = 5(t+<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F60 ALIGN=MIDDLE  ALT=\"7%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
document.write( "6t - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2F60 ALIGN=MIDDLE  ALT=\"30%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 5t + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=35%2F60 ALIGN=MIDDLE  ALT=\"35%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "reduce the fractions<BR>\n" );
document.write( "6t - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2F12 ALIGN=MIDDLE  ALT=\"6%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 5t + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F12 ALIGN=MIDDLE  ALT=\"7%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "6t - 5t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F12 ALIGN=MIDDLE  ALT=\"7%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2F12 ALIGN=MIDDLE  ALT=\"6%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13%2F12 ALIGN=MIDDLE  ALT=\"13%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr is the normal travel time<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Find the distance when 7min late, 67 min<BR>\n" );
document.write( "d = 30 * [<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13%2F12%29 ALIGN=MIDDLE  ALT=\"13%2F12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F60 ALIGN=MIDDLE  ALT=\"7%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >]<BR>\n" );
document.write( "d = 30 * [<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=65%2F60%29 ALIGN=MIDDLE  ALT=\"65%2F60%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%2F60 ALIGN=MIDDLE  ALT=\"7%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >]<BR>\n" );
document.write( "d = 30 * <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=72%2F60 ALIGN=MIDDLE  ALT=\"72%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=72%2F2 ALIGN=MIDDLE  ALT=\"72%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = 36 miles<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check the distance when 5 min early<BR>\n" );
document.write( "d = 36 * [<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=65%2F60 ALIGN=MIDDLE  ALT=\"65%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" > - <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F60 ALIGN=MIDDLE  ALT=\"5%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" >]<BR>\n" );
document.write( "d = 36 * <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60%2F60 ALIGN=MIDDLE  ALT=\"60%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "d = 36  miles,  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );