document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=352889>Question 352889</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes sally 15 minutes to pick apples from the tree in her backyard. Lisa can do it in 25 minutes. How long will it take them together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #728176 by </B><A HREF=/tutors/aboutme.mpl?userid=amalm06><B>amalm06(224)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amalm06><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=amalm06><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=728176\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Work rate, Sarah: dWs/dt=1/15 --> dWs=(1/15)dt\r<BR>\n" );
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document.write( "Work rate, Lisa: dWL/dt=1/25 --> dWL=(1/25)dt\r<BR>\n" );
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document.write( "W=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=int%28+%281%2F15%29%2B%281%2F25%29%2C+dt%2C+0%2C+t%29%29 ALIGN=MIDDLE  ALT=\"int%28+%281%2F15%29%2B%281%2F25%29%2C+dt%2C+0%2C+t%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=1\r<BR>\n" );
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document.write( "[(1/15)+(1/25)]t=1\r<BR>\n" );
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document.write( "t=9.375 hrs (Answer)   </SPAN>\n" );
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