document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1168723>Question 1168723</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Arman can finish repairing the roof in three hours. If Armando helps his father Arman, the job will be done in two hours. If Armando decides to work alone, how long would it take him to finish repairing the roof?\r<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 #793333 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39627)</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=793333\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3%2B1%2Fy=1%2F2 ALIGN=MIDDLE  ALT=\"1%2F3%2B1%2Fy=1%2F2\"   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=1%2Fy=1%2F2-1%2F3 ALIGN=MIDDLE  ALT=\"1%2Fy=1%2F2-1%2F3\"   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=6=3y-2y ALIGN=MIDDLE  ALT=\"6=3y-2y\"   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%286=y%29 ALIGN=MIDDLE  ALT=\"highlight%286=y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >---------------Armando,  needs 6 hours if working alone.\r<BR>\n" );
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document.write( "Just to see more clearly:<BR>\n" );
document.write( "Arman,  the father, work rate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3 ALIGN=MIDDLE  ALT=\"1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Armando, the son, work rate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fy ALIGN=MIDDLE  ALT=\"1%2Fy\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Both working together, work rate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2 ALIGN=MIDDLE  ALT=\"1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Question asks what is the time needed for Armando, the son, the do 1 job by himself?\r<BR>\n" );
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document.write( "The rates are additive for working together, so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3%2B1%2Fy=1%2F2 ALIGN=MIDDLE  ALT=\"1%2F3%2B1%2Fy=1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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