document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=273690>Question 273690</A>: <I><SPAN STYLE=\"word-break: break-all;\"> JACK USUALLY MOWS HIS LAWN IN 6 HOURS. MARYILYN CAN MOW THE SAME YARD IN 5 HOURS. HOW MUCH TIME WOULD IT TAKE THEM TO MOW THE LAWN TOGETHER? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199909 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=199909\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> JACK USUALLY MOWS HIS LAWN IN 6 HOURS. MARYILYN CAN MOW THE SAME YARD IN 5 HOURS. HOW MUCH TIME WOULD IT TAKE THEM TO MOW THE LAWN TOGETHER?<BR>\n" );
document.write( "-----------------<BR>\n" );
document.write( "Jack's rate: 1/6 job/hr<BR>\n" );
document.write( "Marilyn rate: 1/5 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( "1/6 + 1/5 = 1/x<BR>\n" );
document.write( "Multiply thru by 30x<BR>\n" );
document.write( "5x + 6x = 30<BR>\n" );
document.write( "11x = 30<BR>\n" );
document.write( "x = 30/11 = 2.73 hrs<BR>\n" );
document.write( "0.73hr = 0.73(60 minutes) = 43.8 minutes<BR>\n" );
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document.write( "Ans: 2 hr and 44 minutes<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );