document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=980979>Question 980979</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help.\r<BR>\n" );
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document.write( "Amy and Nancy can deliver papers together in 20 minutes. If it takes Nancy twice as long as Amy to deliver the papers by herself, how long would it take each girl to deliver the paper by herself?<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 #602022 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=602022\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 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 Amy to deliver papers<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2t+ ALIGN=MIDDLE  ALT=\"+2t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = Nancy's time in minutes to deliver papers<BR>\n" );
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document.write( "Amy's rate of delivering papers is:<BR>\n" );
document.write( "[ All papers delivered ] / [ t minutes ]<BR>\n" );
document.write( "Nancy's rate of delivering papers is:<BR>\n" );
document.write( "[ All papers delivered ] / [ 2t minutes ]<BR>\n" );
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document.write( "Add their rates of delivering papers to<BR>\n" );
document.write( "get their rate working together<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2Ft+%2B+1%2F%282t%29+=+1%2F20+ ALIGN=MIDDLE  ALT=\"+1%2Ft+%2B+1%2F%282t%29+=+1%2F20+\"   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=+20t+ ALIGN=MIDDLE  ALT=\"+20t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+20+%2B+10+=+t+ ALIGN=MIDDLE  ALT=\"+20+%2B+10+=+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+30+ ALIGN=MIDDLE  ALT=\"+t+=+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2t+=+60+ ALIGN=MIDDLE  ALT=\"+2t+=+60+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Alone, Amy delivers the papers in 30 min<BR>\n" );
document.write( "Alone Nancy delivers the paper in 1 hr<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2Ft+%2B+1%2F%282t%29+=+1%2F20+ ALIGN=MIDDLE  ALT=\"+1%2Ft+%2B+1%2F%282t%29+=+1%2F20+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F30+%2B+1%2F60+=+1%2F20+ ALIGN=MIDDLE  ALT=\"+1%2F30+%2B+1%2F60+=+1%2F20+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%2F60+%2B+1%2F60+=+3%2F60+ ALIGN=MIDDLE  ALT=\"+2%2F60+%2B+1%2F60+=+3%2F60+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3%2F60+=+3%2F60+ ALIGN=MIDDLE  ALT=\"+3%2F60+=+3%2F60+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
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