document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=902075>Question 902075</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Candy can boat around the shore of Lake Sawyer in 3 hours and 15 minutes. If she decreases her average speed by 0.5 km/hr then her time increases by 15 minutes. How many kilometers long is the shore of the lake? \r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #547074 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=547074\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Candy can boat around the shore of Lake Sawyer in 3 hours and 15 minutes. If she decreases her average speed by 0.5 km/hr then her time increases by 15 minutes. How many kilometers long is the shore of the lake?<BR>\n" );
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document.write( "let x=distance around the lake shore<BR>\n" );
document.write( "let s=initial speed of boat<BR>\n" );
document.write( "(s-.5)=reduced speed of boat <BR>\n" );
document.write( "distance/speed=travel time<BR>\n" );
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document.write( "x/s=3.25 hrs<BR>\n" );
document.write( "x/(s-.5)=3.25+.25=3.5<BR>\n" );
document.write( "..<BR>\n" );
document.write( "x=3.25s<BR>\n" );
document.write( "x=3.5(s-.5)=3.5s-1.75<BR>\n" );
document.write( "3.25s=3.5s-1.75<BR>\n" );
document.write( ".25s=1.75<BR>\n" );
document.write( "s=7<BR>\n" );
document.write( "x=3.25s=22.75<BR>\n" );
document.write( "How many kilometers long is the shore of the lake? 22.75 km </SPAN>\n" );
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