document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=618862>Question 618862</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A rock-climbing gym charges nonmembers $18 per day<BR>\n" );
document.write( "to use the wall plus $7 per day for equipment rental. Members pay an<BR>\n" );
document.write( "annual fee of $400 plus $5 per day for equipment rental. How many days<BR>\n" );
document.write( "must both a member and a nonmember use the wall in one year so that<BR>\n" );
document.write( "both pay the same amount? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #389157 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=389157\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A rock-climbing gym charges nonmembers $18 per day<BR>\n" );
document.write( "to use the wall plus $7 per day for equipment rental. <BR>\n" );
document.write( "Cost = (18+7)d = 25d<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "Members pay an annual fee of $400 plus $5 per day for equipment rental.<BR>\n" );
document.write( "Cost = 400 + 5d<BR>\n" );
document.write( "------------------------- <BR>\n" );
document.write( "How many days must both a member and a nonmember use the wall in one <BR>\n" );
document.write( "year so that both pay the same amount?<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "Solve:<BR>\n" );
document.write( "25d = 400 + 5d<BR>\n" );
document.write( "20d = 400<BR>\n" );
document.write( "d = 20 days (Equal cost at 20 days)<BR>\n" );
document.write( "=====================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );