document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=141076>Question 141076</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0130442631/algebrahomeworkh>Prentice Hall Algebra 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve using a system of two equations in two variables?\r<BR>\n" );
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document.write( "When Lucy swims with the current, she swims 18km in 2 hours.  Against the current, she can swim only 14km in the same time.  How fast can Lucy swim in still water? What is the rate of the current? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #102767 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=102767\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do I solve using a system of two equations in two variables? <BR>\n" );
document.write( "When Lucy swims with the current, she swims 18km in 2 hours. Against the current, she can swim only 14km in the same time. How fast can Lucy swim in still water? What is the rate of the current?<BR>\n" );
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document.write( "Let her still water speed be \"s\"; Let current speed be \"c\".<BR>\n" );
document.write( "EQUATIONS:<BR>\n" );
document.write( "s + c = 18 km/2 hrs<BR>\n" );
document.write( "s - c = 14 km/2 hrs<BR>\n" );
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document.write( "I think you can solve for s and c.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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