document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=150986>Question 150986</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a boxing club charges nonmembers $4 per to workout and $10 per day for equipment rental. Members pay a yearly fee of $400 and a daily fee of 5$ for equipment rental. write and solve and equation to find out how many times you should use the gym to justify membership.\r<BR>\n" );
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document.write( "thanks   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #111005 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=111005\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a boxing club charges nonmembers $4 per to workout and $10 per day for equipment rental. Members pay a yearly fee of $400 and a daily fee of 5$ for equipment rental. write and solve and equation to find out how many times you should use the gym to justify membership. <BR>\n" );
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document.write( "Let x = no. of daily work-outs<BR>\n" );
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document.write( "Cost for non-members:<BR>\n" );
document.write( "C = 4x + 10x<BR>\n" );
document.write( "C = 14x<BR>\n" );
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document.write( "Cost for members,:<BR>\n" );
document.write( "C = 5x + 400<BR>\n" );
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document.write( "At some point they will be equal, find that value for x then<BR>\n" );
document.write( "14x = 5x + 400<BR>\n" );
document.write( "14x - 5x = 400<BR>\n" );
document.write( "9x = 400<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=400%2F9 ALIGN=MIDDLE  ALT=\"400%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 44.4<BR>\n" );
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document.write( "We can say that on the your 45th work-out the annual membership is best.<BR>\n" );
document.write( "(Assuming it's done within one year, of course)<BR>\n" );
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document.write( "Non mem: 4(45) + 10(45) = $630<BR>\n" );
document.write( "Member; 5(45) + 400 = $625<BR>\n" );
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