document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1143847>Question 1143847</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi\r<BR>\n" );
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document.write( "one team of workers completes a job in 10 days, while another team completes it in 8 days. The first team worked alone for 1 day. Then the second team joined and finished the job in N days. What is the value of N.\r<BR>\n" );
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document.write( "thanks </SPAN>\n" );
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document.write( "Working together the whole time, the number of days it would have taken to do the job is<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%288%2A10%29%2F%288%2B10%29+=+80%2F18+=+40%2F9 ALIGN=MIDDLE  ALT=\"%288%2A10%29%2F%288%2B10%29+=+80%2F18+=+40%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "But in the beginning only the first team worked for 1 day, completing 1/10 of the job.  Since only 9/10 of the job remains, the number of days it takes the two team together to finish the job is<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2840%2F9%29%2A%289%2F10%29+=+4 ALIGN=MIDDLE  ALT=\"%2840%2F9%29%2A%289%2F10%29+=+4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "ANSWER: N = 4 </SPAN>\n" );
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