document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=476007>Question 476007</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Donald and Eric swam as a team in a relay race. Donald swam at a steady 3km/h while Eric returned at an average rate of 4km/h. Their total time was posted as 5 h 15 min. How long did Eric swim? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #326445 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=326445\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Donald and Eric swam as a team in a relay race.<BR>\n" );
document.write( " Donald swam at a steady 3km/h while Eric returned at an average rate of 4km/h.<BR>\n" );
document.write( " Their total time was posted as 5 h 15 min.<BR>\n" );
document.write( " How long did Eric swim?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Change 5 hr 15 min to 5.25 hrs<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Find the one-way distance<BR>\n" );
document.write( "d = one way dist<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Write a time equation; time = dist/speed<BR>\n" );
document.write( ":<BR>\n" );
document.write( "D's time + E's time = 5.25 hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F3 ALIGN=MIDDLE  ALT=\"d%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F4 ALIGN=MIDDLE  ALT=\"d%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 5.25<BR>\n" );
document.write( "multiply by 12 to clear the denominators, results:<BR>\n" );
document.write( "4d + 3d = 12(5.25)<BR>\n" );
document.write( "7d = 63<BR>\n" );
document.write( "d = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=63%2F7 ALIGN=MIDDLE  ALT=\"63%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "d = 9 km is the one-way dist<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Find E's swim time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=9%2F4 ALIGN=MIDDLE  ALT=\"9%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 2.25 hrs or 2 hrs 15 min </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );