document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=3906>Question 3906</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If two people can do a job in 12 minutes.  And one person takes 30 minutes how long does it take the other person to do the job alone? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #2006 by </B><A HREF=/tutors/aboutme.mpl?userid=ntnk><B>ntnk(54)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ntnk><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=2006\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Together, they can to 1/12 of the job in a minute. One person does 1/30 in a minute. The unknown person does 1/x in a minute. To find out how much they do together, add:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fx+%2B+1%2F30+=+1%2F12 ALIGN=MIDDLE  ALT=\"1%2Fx+%2B+1%2F30+=+1%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Find a common denominator by multiplying each number by the LCD: 360x:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360x%2Fx+%2B+360x%2F30+=+360x%2F12 ALIGN=MIDDLE  ALT=\"360x%2Fx+%2B+360x%2F30+=+360x%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplify:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360+%2B+12x+=+30x ALIGN=MIDDLE  ALT=\"360+%2B+12x+=+30x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Subtract 12x from each side:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360%2B12x-12x=30x-12x ALIGN=MIDDLE  ALT=\"360%2B12x-12x=30x-12x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Simplify:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360=18x ALIGN=MIDDLE  ALT=\"360=18x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Divide each side by 18:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=360%2F18=18x%2F18 ALIGN=MIDDLE  ALT=\"360%2F18=18x%2F18\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20=x ALIGN=MIDDLE  ALT=\"20=x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "If the second person can do 1/20 of the job in one minute, he can do the entire job in 20 minutes.\r<BR>\n" );
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document.write( "Check: 1/20 + 1/30 = 1/12<p><marquee behavior=\"alternate\">Solved By: NtNk</marquee><BR>\n" );
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