document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=33140>Question 33140</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a river excrusion travels x miles upstream at 3 miles per hour and back to the same place at 5 miles per hour . The round trip takes 48 minutes. State , interms of x, how long the journey takes:\r<BR>\n" );
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document.write( "a) on the upstream leg;<BR>\n" );
document.write( "b) on the downstream leg;<BR>\n" );
document.write( "c) in total<BR>\n" );
document.write( "d) form an equation in x and solve it to find how far upstream the excruison goes. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #20054 by </B><A HREF=/tutors/aboutme.mpl?userid=kietra><B>kietra(57)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=kietra><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=20054\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (A) The total time the upstream journey would take is 3x. <BR>\n" );
document.write( "(B) The total time the downstream leg would take is 5x.<BR>\n" );
document.write( "(C) The total journey would take the upstream leg plus the downstream leg or 3x+5x.  <BR>\n" );
document.write( "(D)3x + 5x = 48 minutes<BR>\n" );
document.write( "8x=48<BR>\n" );
document.write( "x=6<BR>\n" );
document.write( "So the upstream leg would take 3x = 3(6) = 18 minutes.<BR>\n" );
document.write( "The downstream leg would take 5x = 5(6) = 30 minutes. <BR>\n" );
document.write( "Now, to find the distance, use rate*time= distance.<BR>\n" );
document.write( "So, the rate of the upstream leg was 3mph and the amount of time was 18 minutes.  <BR>\n" );
document.write( "3mph * 18 minutes  We have to also convert units so 18 minutes and 3 miles per HOUR are in the same units.  So, multiply by (1hr/60 minutes)<BR>\n" );
document.write( "(3miles/hour) * (18 min) * (1hr/60 minutes)= 54/60 miles= 9/10 miles\r<BR>\n" );
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