document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1054412>Question 1054412</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On the first part of a trip, a canoe travels 71 miles at a certain speed. Then for 25 miles it travels at a speed of 5 mph slower. the total time for the trip is 5 hours. What was the speed on each part of the trip?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #669646 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=669646\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D%5B1%5D=R%5B1%5D%2At%5B1%5D=71 ALIGN=MIDDLE  ALT=\"D%5B1%5D=R%5B1%5D%2At%5B1%5D=71\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "2.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D%5B2%5D=%28R%5B1%5D-5%29%2At%5B2%5D=25 ALIGN=MIDDLE  ALT=\"D%5B2%5D=%28R%5B1%5D-5%29%2At%5B2%5D=25\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "3.<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D%2Bt%5B2%5D=5 ALIGN=MIDDLE  ALT=\"t%5B1%5D%2Bt%5B2%5D=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From 1,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D=71%2FR%5B1%5D ALIGN=MIDDLE  ALT=\"t%5B1%5D=71%2FR%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From 2,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B2%5D=25%2F%28R%5B1%5D-5%29 ALIGN=MIDDLE  ALT=\"t%5B2%5D=25%2F%28R%5B1%5D-5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Substituting into 3,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=71%2FR%5B1%5D%2B25%2F%28R%5B1%5D-5%29=5 ALIGN=MIDDLE  ALT=\"71%2FR%5B1%5D%2B25%2F%28R%5B1%5D-5%29=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solving this graphically, you get two answers,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D=3.416 ALIGN=MIDDLE  ALT=\"R%5B1%5D=3.416\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D=20.784 ALIGN=MIDDLE  ALT=\"R%5B1%5D=20.784\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "However since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D-5 ALIGN=MIDDLE  ALT=\"R%5B1%5D-5\"   DISABLED_style= \"max-width:90%; height:auto;\" > would be negative when <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D=3.416 ALIGN=MIDDLE  ALT=\"R%5B1%5D=3.416\"   DISABLED_style= \"max-width:90%; height:auto;\" > use the other answer.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D=20.784 ALIGN=MIDDLE  ALT=\"R%5B1%5D=20.784\"   DISABLED_style= \"max-width:90%; height:auto;\" > for the first part of the trip then,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=R%5B1%5D-5=15.784 ALIGN=MIDDLE  ALT=\"R%5B1%5D-5=15.784\"   DISABLED_style= \"max-width:90%; height:auto;\" > for the second part of the trip. </SPAN>\n" );
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