document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=897729>Question 897729</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 3 men dig ridges in 21 days. How many men will dig the same ridges in 7 days? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #544260 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=544260\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1 job = \"dig the ridges\".<BR>\n" );
document.write( "Let r = rate of doing the job for ONE man.<BR>\n" );
document.write( "Let n = number of men asked in the problem.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "RT=J for uniform rate of doing a job, rate time job.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3r%2A21=n%2Ar%2A7 ALIGN=MIDDLE  ALT=\"3r%2A21=n%2Ar%2A7\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve for n.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );