document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1003479>Question 1003479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3.	When a boat traveled downstream from Town A to Town B, the trip took 3 h. When the same boat traveled upstream from Town B to Town A, the trip took 3.6 h. For each trip, the speed of the boat and the water current were unchanged. Let x represent the speed of the boat and let y represent the speed of the water.<BR>\n" );
document.write( "(a)	Write an expression for the distance traveled downstream using 3 h for the time. Then write an expression for the distance traveled upstream using 3.6 h for the time.<BR>\n" );
document.write( "(b)	Set the expressions in Part (a) equal to each other. Then solve the equation for y. Show your work. <BR>\n" );
document.write( "(c)	What percent of the boat’s speed is the water current?<BR>\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 #620239 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=620239\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When a boat traveled downstream from Town A to Town B, the trip took 3 h.<BR>\n" );
document.write( " When the same boat traveled upstream from Town B to Town A, the trip took 3.6 h.<BR>\n" );
document.write( " For each trip, the speed of the boat and the water current were unchanged.<BR>\n" );
document.write( " Let x represent the speed of the boat and let y represent the speed of the water.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "(a) Write an expression for the distance traveled downstream using 3 h for the time.<BR>\n" );
document.write( "3(x+y)<BR>\n" );
document.write( " Then write an expression for the distance traveled upstream using 3.6 h for the time.<BR>\n" );
document.write( "3.6(x-y)<BR>\n" );
document.write( ":<BR>\n" );
document.write( "(b) Set the expressions in Part (a) equal to each other. <BR>\n" );
document.write( "Then solve the equation for y. Show your work.<BR>\n" );
document.write( "3(x + y) = 3.6(x - y)<BR>\n" );
document.write( "3x + 3y = 3.6x - 3.6y<BR>\n" );
document.write( "3y + 3.6y = 3.6x - 3x<BR>\n" );
document.write( "6.6y = .6x<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.6%2F6.6 ALIGN=MIDDLE  ALT=\".6%2F6.6\"   DISABLED_style= \"max-width:90%; height:auto;\" >x<BR>\n" );
document.write( "y = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F11 ALIGN=MIDDLE  ALT=\"1%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" >x<BR>\n" );
document.write( ":<BR>\n" );
document.write( "(c) What percent of the boat’s speed is the water current?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F11 ALIGN=MIDDLE  ALT=\"1%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" > * 100 = 9.1% </SPAN>\n" );
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