document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=893928>Question 893928</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Emily rows 6 miles downstream in 1 hour and Ashley, rowing 1 mile per hour faster, completes the return trip in 2 hours.\r<BR>\n" );
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document.write( "1.  Find the speed of the current (c) and each girl's rowing speed.\r<BR>\n" );
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document.write( "2.  If Emily and Ashley were rowing separately, who would complete their trip first and by how long?  Round to the nearest hundredth if necessary. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #541726 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=541726\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Emily rows 6 miles downstream in 1 hour and Ashley, rowing 1 mile per hour faster, completes the return trip in 2 hours. <BR>\n" );
document.write( "1. Find the speed of the current (c) and each girl's rowing speed. <BR>\n" );
document.write( "2. If Emily and Ashley were rowing separately, who would complete their trip first and by how long? Round to the nearest hundredth if necessary.<BR>\n" );
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document.write( "let c=speed of current<BR>\n" );
document.write( "let x=Emily's rowing speed<BR>\n" );
document.write( "x+c=Emily's speed downstream<BR>\n" );
document.write( "x+1=Ashley's rowing speed<BR>\n" );
document.write( "x+1-c=Ashley's speed upstream<BR>\n" );
document.write( "travel time*speed=distance<BR>\n" );
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document.write( "1*(x+c)=6<BR>\n" );
document.write( "2*(x+1-c)=6<BR>\n" );
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document.write( "x+c=6<BR>\n" );
document.write( "2x+2-2c=6<BR>\n" );
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document.write( "x+c=6<BR>\n" );
document.write( "2x-2c=4<BR>\n" );
document.write( "..<BR>\n" );
document.write( "2x+2c=12<BR>\n" );
document.write( "2x-2c=4<BR>\n" );
document.write( "add<BR>\n" );
document.write( "4x=16<BR>\n" );
document.write( "x=4<BR>\n" );
document.write( "c=6-x=2<BR>\n" );
document.write( "speed of current=2 mph<BR>\n" );
document.write( "Emily's rowing speed=4 mph<BR>\n" );
document.write( "Ashley's rowing speed=5 mph<BR>\n" );
document.write( "rowing separately downstream and upstream:<BR>\n" );
document.write( "6/(4+2)+6/(4-2)=3 hrs (Emily's travel time)<BR>\n" );
document.write( "6/(5+2)+6/(5-2)=2-6/7 hr (Ashley's travel time)<BR>\n" );
document.write( "Ashley completes her trip in 1/7 hr less time than Emily\r<BR>\n" );
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document.write( " </SPAN>\n" );
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