document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=427802>Question 427802</A>: <I><SPAN STYLE=\"word-break: break-all;\"> swimming with the current for 36 minutes, i traveled 1.5 miles. Swimming back to where i started against the current it took 1 hour. what is the rate at which i swam in still water? What is the rate of the current?\r<BR>\n" );
document.write( "\n" );
document.write( "----- i cannot figure out how to start this problem. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #297472 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=297472\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> swimming with the current for 36 minutes, i traveled 1.5 miles.<BR>\n" );
document.write( " Swimming back to where i started against the current it took 1 hour.<BR>\n" );
document.write( " what is the rate at which i swam in still water?<BR>\n" );
document.write( " What is the rate of the current?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Let s = swim speed in still water<BR>\n" );
document.write( "Let c = rate of the current<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Change 36 min to .6 hrs<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Write two distance equation, one for each way, Dist = speed * time<BR>\n" );
document.write( ".6s + .6c = 1.5<BR>\n" );
document.write( "and<BR>\n" );
document.write( "1s - 1c = 1.5<BR>\n" );
document.write( "s = (c + 1.5) <BR>\n" );
document.write( ":<BR>\n" );
document.write( "replace s with (c+1.5) in the 1st equation<BR>\n" );
document.write( ".6(c + 1.5) + .6c = 1.5<BR>\n" );
document.write( ".6c + .9 + .6c = 1.5<BR>\n" );
document.write( "1.2c = 1.5 - .9<BR>\n" );
document.write( "1.2c = .6<BR>\n" );
document.write( "c = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.6%2F1.2 ALIGN=MIDDLE  ALT=\".6%2F1.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "c = .5 mph is the current<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Find s using the 2nd equation<BR>\n" );
document.write( "s - .5 = 1.5<BR>\n" );
document.write( "s = 1.5 + .5<BR>\n" );
document.write( "s = 2 mph is the swimming speed<BR>\n" );
document.write( ":<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check solutions in the 1st equation<BR>\n" );
document.write( ".6(2) + .6(.5) = 1.5<BR>\n" );
document.write( "1.2 + .3 = 1.5 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );