document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=833615>Question 833615</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mo can mow a lawn in 4 hours. His twin brother Joe can mow the same lawn in 5 hours. How long will it take Mo and Joe if they work together? Write your answer in hours and minutes </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #502664 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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/cgi-bin/show-face.mpl?user=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=502664\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mo can mow a lawn in 4 hours. His twin brother Joe can mow the same lawn in 5 hours. How long will it take Mo and Joe if they work together? Write your answer in hours and minutes<BR>\n" );
document.write( "Let x = time (hours) it takes for both<BR>\n" );
document.write( "then<BR>\n" );
document.write( "x(1/4 + 1/5) = 1<BR>\n" );
document.write( "multiplying both sides by 20:<BR>\n" );
document.write( "x(5 + 4) = 20<BR>\n" );
document.write( "x(9) = 20<BR>\n" );
document.write( "x = 20/9<BR>\n" );
document.write( "x = 2 hours and 13 minutes </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );