document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=251586>Question 251586</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Smith engineering is in the process of reviewing the salaris of their surveyors. During this review th company foudn that and experience surveyor can survery a roadbed in 3 hours. An apprentice surveyor needs 7 hours to survey the same stretch of road. \r<BR>\n" );
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document.write( "If the two worked together find how loing it takes them to coplete the job </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #183278 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=183278\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Smith engineering is in the process of reviewing the salaris of their surveyors. During this review the company foud that and experience surveyor can survey a roadbed in 3 hours. An apprentice surveyor needs 7 hours to survey the same stretch of road. <BR>\n" );
document.write( "If the two worked together find how long it takes them to complete the job.<BR>\n" );
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document.write( "Experience surveyor rate : 1/3 job/hr<BR>\n" );
document.write( "Apprentice rate: 1/7 job/hr<BR>\n" );
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( "1/3 + 1/7 = 1/x<BR>\n" );
document.write( "7x + 3x = 21<BR>\n" );
document.write( "10x = 21<BR>\n" );
document.write( "x = 2.1 hours (time it will take if they work together)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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