document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=895085>Question 895085</A>: <I><SPAN STYLE=\"word-break: break-all;\">  A motorboat travels twice as fast when empty as when it is full. It travels 20 miles north with a cargo,spends half an hour for unloading, and returns to its original port empty, taking 8 hours to complete the entire trip. What is the speed of the motorboat when it is empty? Want explanation </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #542551 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=542551\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You made this unclear if the unloading time is part of the trip or if only travel time is part of the trip.  My guess is that it is part of the trip and total time.\r<BR>\n" );
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document.write( "____________rate_________time________distance<BR>\n" );
document.write( "FULL________r____________(___)________20<BR>\n" );
document.write( "EMPTY_______2r___________(___)________20<BR>\n" );
document.write( "Unload____________________1/2<BR>\n" );
document.write( "TOTAL_____________________8\r<BR>\n" );
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document.write( "Basic uniform travel rate concept lets us fill in time parts.\r<BR>\n" );
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document.write( "____________rate_________time________distance<BR>\n" );
document.write( "FULL________r____________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2Fr ALIGN=MIDDLE  ALT=\"20%2Fr\"   DISABLED_style= \"max-width:90%; height:auto;\" >________20<BR>\n" );
document.write( "EMPTY_______2r___________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2F%282r%29 ALIGN=MIDDLE  ALT=\"20%2F%282r%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >________20<BR>\n" );
document.write( "Unload____________________<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2 ALIGN=MIDDLE  ALT=\"1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "TOTAL_____________________8\r<BR>\n" );
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document.write( "The time sum gives you this:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2Fr%2B20%2F%282r%29%2B1%2F2=8 ALIGN=MIDDLE  ALT=\"20%2Fr%2B20%2F%282r%29%2B1%2F2=8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplify that:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2Fr%2B10%2Fr%2B1%2F2=8 ALIGN=MIDDLE  ALT=\"20%2Fr%2B10%2Fr%2B1%2F2=8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2Fr%2B1%2F2=8 ALIGN=MIDDLE  ALT=\"30%2Fr%2B1%2F2=8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply by LCD of 2r,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2A2%2Br=16r ALIGN=MIDDLE  ALT=\"30%2A2%2Br=16r\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60=15r ALIGN=MIDDLE  ALT=\"60=15r\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28r=4%29 ALIGN=MIDDLE  ALT=\"highlight%28r=4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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