document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1199502>Question 1199502</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A riverboat travelling with the current can go 30 km in 1 hour, on the return trip against the current it took 1.5 hours to travel the 30 km. Which of the following would represent a linear system that could be used to determine the speed of the riverboat and the current where x is the speed of the riverboat and y is the speed of the current?\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #833502 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10552)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=833502\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "A riverboat travelling with the current can go 30 km in 1 hour, on the return trip against the current it took 1.5 hours to travel the 30 km. Which of the following would represent a linear system that could be used to determine the speed of the riverboat and the current where x is the speed of the riverboat and y is the speed of the current?\r\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=matrix%282%2C7%2C+x+%2B+y%2C+%22=%22%2C+30%2F1%2C+%22_____%22%2C+x+%2B+y%2C+%22=%22%2C+30%2C+x+-+y%2C+%22=%22%2C+30%2F1.5%2C+%22____%22%2C+x+-+y%2C+%22=%22%2C+20%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ></PRE> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );