document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=399618>Question 399618</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Stan can load his truck in 24  minutes. If Chris helps him, it takes 15 minutes to load the truck. How long does it take Chris alone?<BR>\n" );
document.write( "I understand what the problem is asking, but I do not know how to set up an equation for it. I had:<BR>\n" );
document.write( "1/24+1/x=15<BR>\n" );
document.write( "Time of stan=24<BR>\n" );
document.write( "time of chris=x<BR>\n" );
document.write( "total time together=15<BR>\n" );
document.write( "Can you help me? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #283018 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=283018\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/24+1/X=1/15 COMBINE LEFT HAND TERMS USING THE COMMON DENOMINATOR.<BR>\n" );
document.write( "(X+24)/24X=1/15 CROSS MULTIPLY.<BR>\n" );
document.write( "24X=15(X+24)<BR>\n" );
document.write( "24X=15X=360<BR>\n" );
document.write( "24X-15X=360<BR>\n" );
document.write( "9X=360<BR>\n" );
document.write( "X=360/9<BR>\n" );
document.write( "X=40 MINUTES FOR CHRIS WORKING ALONE.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "1/24+1/40=1/15<BR>\n" );
document.write( "(40+24)/24*40=1/15<BR>\n" );
document.write( "64/960=1/15<BR>\n" );
document.write( "1/15=1/15 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );