document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=711313>Question 711313</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Stan can load his truck in 48 minutes. If his brother helps him, it takes them 30 minutes to load the truck. How long would it take Stan's brother working alone to load the truck? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #437376 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=437376\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1/48+1/x=1/30<BR>\n" );
document.write( "1/x=1/30-1/48<BR>\n" );
document.write( "1/x=(48-30)/30*48<BR>\n" );
document.write( "1/x=18/1440<BR>\n" );
document.write( "18x=1440<BR>\n" );
document.write( "x=1440/18<BR>\n" );
document.write( "x=80 minutes for the brother working alone.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "1/48+1/80=1/30<BR>\n" );
document.write( "(80+48)/48*80=1/30<BR>\n" );
document.write( "128/3840=1/30<BR>\n" );
document.write( "1/30=1/30 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );