document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=973655>Question 973655</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One highway worker can pick up all the trash on a strip of highway in 5 hours, and his helper can pick up the trash in 7 hours. How long will it take them if they work together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #595758 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=595758\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One highway worker can pick up all the trash on a strip of highway in 5 hours, and his helper can pick up the trash in 7 hours. How long will it take them if they work together?<BR>\n" );
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document.write( "1st worker rate:: 1/5 job/hr<BR>\n" );
document.write( "2nd worker rate:: 1/7 job/hr<BR>\n" );
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document.write( "Together rate: 1/x job/hr<BR>\n" );
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document.write( "Equation::<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/5 + 1/7 = 1/x<BR>\n" );
document.write( "7x + 5x = 5*7<BR>\n" );
document.write( "12x = 35<BR>\n" );
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document.write( "x = 35/12 = 2 11/12 hrs = 2hr 55 minutes (time to do the job together)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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