document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=972136>Question 972136</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this word problem.<BR>\n" );
document.write( "A rowing crew practices at a steady rate of 9 miles per hour. When they practice in steadily flowing river, a 10-mile trip downstream takes the same time as a 5-mile trip upstream. What is the rate of the river current?\r<BR>\n" );
document.write( "\n" );
document.write( "I have tried 9/10 = 0.9<BR>\n" );
document.write( "I have tried dividing 9/5 = 1.8<BR>\n" );
document.write( "I have tried (10+5)/9 = 1.7<BR>\n" );
document.write( "I have tried (9*10)/5 = 18<BR>\n" );
document.write( "I have tried 9=10/x ~ 9/10 =.9 ~ .9*5  = 4.5\r<BR>\n" );
document.write( "\n" );
document.write( "I do not know how to figure out the answer. It would be helpful if i could have a formula for solving the problem. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #594515 by </B><A HREF=/tutors/aboutme.mpl?userid=iloveblacky123><B>iloveblacky123(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=iloveblacky123><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=594515\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> C = rate of current <BR>\n" );
document.write( "so basically you are cross multiplying <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2F%289%2Bc%29+=+5%2F%289-c%29 ALIGN=MIDDLE  ALT=\"10%2F%289%2Bc%29+=+5%2F%289-c%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "cross multiply <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2A%289-c%29 ALIGN=MIDDLE  ALT=\"10%2A%289-c%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "which equals <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=90-10c ALIGN=MIDDLE  ALT=\"90-10c\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "cross multiply <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%289%2Bc%29%2A5 ALIGN=MIDDLE  ALT=\"%289%2Bc%29%2A5\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "which equals <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45%2B5c ALIGN=MIDDLE  ALT=\"45%2B5c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=90-10c+=+45%2B5c ALIGN=MIDDLE  ALT=\"90-10c+=+45%2B5c\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=90-45+=+45 ALIGN=MIDDLE  ALT=\"90-45+=+45\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10c%2B5c+=+15c ALIGN=MIDDLE  ALT=\"10c%2B5c+=+15c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45+=+15c ALIGN=MIDDLE  ALT=\"45+=+15c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45%2F15+=+c ALIGN=MIDDLE  ALT=\"45%2F15+=+c\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3=c ALIGN=MIDDLE  ALT=\"3=c\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "the answer for rate of current is 3 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );