document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1157495>Question 1157495</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An airplane passenger, Winston, has a few crates of supplies that he will be bringing with him on his adventure into the Amazon. Having years of experience, the airplane's pilot can load his plane by himself in 42 minutes. On the other hand, Winston can load his crates in the plane by himself in 56 minutes. How long will it take both Winston and his pilot to load the crates into the plane working together?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #780373 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=780373\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Add their rates of working<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = time in minutes for them to<BR>\n" );
document.write( "load the plane working together<BR>\n" );
document.write( "-------------------------------------<BR>\n" );
document.write( "[ 1 job done ] / [ 42 min ] + [ 1 job done ] / [ 56 min ] = [ 1 job done ] / [ t min ]<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F42+%2B+1%2F56+=+1%2Ft+ ALIGN=MIDDLE  ALT=\"+1%2F42+%2B+1%2F56+=+1%2Ft+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+168t+ ALIGN=MIDDLE  ALT=\"+168t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4t+%2B+3t+=+168+ ALIGN=MIDDLE  ALT=\"+4t+%2B+3t+=+168+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+7t+=+168+ ALIGN=MIDDLE  ALT=\"+7t+=+168+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+24+ ALIGN=MIDDLE  ALT=\"+t+=+24+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Working together they can load<BR>\n" );
document.write( "the plane in 24 min<BR>\n" );
document.write( "------------------------------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F42+%2B+1%2F56+=+1%2F24+ ALIGN=MIDDLE  ALT=\"+1%2F42+%2B+1%2F56+=+1%2F24+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.02381+%2B+.017857+=+.041667+ ALIGN=MIDDLE  ALT=\"+.02381+%2B+.017857+=+.041667+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.041667+=+.041667+ ALIGN=MIDDLE  ALT=\"+.041667+=+.041667+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );