document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1004498>Question 1004498</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes Jack eight minutes to sweep a porch. Lisa can sweep the same porch in 14 minutes. How long would it take if they worked together?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #620960 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=620960\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It takes Jack eight minutes to sweep a porch. Lisa can sweep the same porch in 14 minutes. How long would it take if they worked together?<BR>\n" );
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document.write( "Jack rate:: 1/8 job/min<BR>\n" );
document.write( "Lisa rate:: 1/14 job/min<BR>\n" );
document.write( "Together rate:: 1/x job/min<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/8 + 1/14 = 1/x<BR>\n" );
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document.write( "14x + 8x = 14*8<BR>\n" );
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document.write( "22x = 14*8<BR>\n" );
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document.write( "x = 5.09 min = 5min 5.4sec (time to do the job together)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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