document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=19283>Question 19283</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help....\r<BR>\n" );
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document.write( "I posted this question 19239 because I'm helping my daughter.  Sally paint a garge in 8 hours and Susan can paint the garage in 6 hours.  If they paint together how long will it take.  I have 1 hour and 15 minutes is this correct.\r<BR>\n" );
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document.write( "Thanks very much. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #9310 by </B><A HREF=/tutors/aboutme.mpl?userid=mmm4444bot><B>mmm4444bot(95)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mmm4444bot><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=9310\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello There:\r<BR>\n" );
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document.write( "In work problems like this, we need to approach is in terms of how much of the job is done per unit of time.\r<BR>\n" );
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document.write( "Sally paints the garage in 8 hours, so each hour she completes 1/8th of the job.\r<BR>\n" );
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document.write( "Susan paints the garage in 6 hours, so each hour she completes 1/6th of the job.\r<BR>\n" );
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document.write( "Working together, they complete (1/8 + 1/6)th of the job per hour.\r<BR>\n" );
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document.write( "1/8 + 1/6 = 7/24\r<BR>\n" );
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document.write( "Completing 7/24ths of the job each hour means that it takes 24/7th hours when working together.\r<BR>\n" );
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document.write( "24/7 = 3.4286\r<BR>\n" );
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document.write( "0.4286*60 = 25.7\r<BR>\n" );
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document.write( "It takes them 3 hours and 25.7 minutes to do the job.\r<BR>\n" );
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document.write( "~ Mark<BR>\n" );
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