document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1127323>Question 1127323</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An office has two envelope-filling machines. Working together, they can fill a batch of envelopes in 2 hours. Working separately, it will take the second machine 1 hour longer than the first machine to fill a batch of envelopes. How long will it take each machine to fill a batch of envelopes by themselves? Give your answer correct to the nearest minute. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #743722 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=743722\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <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 for first machine to do 1 job, alone\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2B1 ALIGN=MIDDLE  ALT=\"t%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, time for second machine to do 1 job, alone\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Ft%2B1%2F%28t%2B1%29=1%2F2 ALIGN=MIDDLE  ALT=\"1%2Ft%2B1%2F%28t%2B1%29=1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >------both machines together do 1 job in 2 hours.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5E2-3t-2=0 ALIGN=MIDDLE  ALT=\"t%5E2-3t-2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28t=%283%2Bsqrt%2817%29%29%2F2%29 ALIGN=MIDDLE  ALT=\"highlight%28t=%283%2Bsqrt%2817%29%29%2F2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=hours ALIGN=MIDDLE  ALT=\"hours\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=first ALIGN=MIDDLE  ALT=\"first\"   DISABLED_style= \"max-width:90%; height:auto;\" ><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=machine ALIGN=MIDDLE  ALT=\"machine\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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