document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1138502>Question 1138502</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two teachers are grading math homework. One teacher can grade a stack of papers in 50 minutes and the other can complete the job in 100 minutes. How long does it take them to grade all the papers if the first teacher grades alone for 23 minutes, then they work together to finish? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #756306 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39621)</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=756306\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \"one teacher\", same as \"first teacher\", <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F50 ALIGN=MIDDLE  ALT=\"1%2F50\"   DISABLED_style= \"max-width:90%; height:auto;\" > stack per minutes<BR>\n" );
document.write( "Other teacher, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F100 ALIGN=MIDDLE  ALT=\"1%2F100\"   DISABLED_style= \"max-width:90%; height:auto;\" > stack per minutes\r<BR>\n" );
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document.write( "First teacher works for 23 minutes and then both teachers work together for x minutes, in order to grade 1 stack of papers.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F50%29%2A23%2B%281%2F50%2B1%2F100%29%2Ax=1 ALIGN=MIDDLE  ALT=\"%281%2F50%29%2A23%2B%281%2F50%2B1%2F100%29%2Ax=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplify and solve for x.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=23%2F50%2B%282%2F100%2B1%2F100%29x=1 ALIGN=MIDDLE  ALT=\"23%2F50%2B%282%2F100%2B1%2F100%29x=1\"   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=46%2F100%2B3x%2F100=1 ALIGN=MIDDLE  ALT=\"46%2F100%2B3x%2F100=1\"   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=46%2B3x=100 ALIGN=MIDDLE  ALT=\"46%2B3x=100\"   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=3x=54 ALIGN=MIDDLE  ALT=\"3x=54\"   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%28x=18%29 ALIGN=MIDDLE  ALT=\"highlight%28x=18%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The two work together for 18 minutes.<BR>\n" );
document.write( "Total time doing the grading was 23+18=41 minutes. </SPAN>\n" );
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