document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1162772>Question 1162772</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes Richard Semmler  4 hours to prepare a Little League baseball field. It takes Larry Gilligan 7 hours to prepare the same field. How long will it take Richard and Larry working together to prepare a Little League baseball​ field?\r<BR>\n" );
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document.write( "Thank you for the help <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 #786624 by </B><A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><B>amarjeeth123(569)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><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=786624\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It takes Richard Semmler  4 hours to prepare a Little League baseball field.<BR>\n" );
document.write( "In 1 hour Richard can do (1/4)th of the work.<BR>\n" );
document.write( "It takes Larry Gilligan 7 hours to prepare the same field.<BR>\n" );
document.write( "In 1 hour Larry can do (1/7)th of the work.<BR>\n" );
document.write( "In 1 hour both combined can do (1/4+1/7)th of the field.<BR>\n" );
document.write( "In 1 hour both can do (11/28)th of the field.<BR>\n" );
document.write( "Therefore the field will be completed in (28/11) hours if both are working together.<BR>\n" );
document.write( "Answer=2.5454 hours. </SPAN>\n" );
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