document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=436169>Question 436169</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Nita can mow a lawn in 90 minutes. Pedro can do it in 60 minutes. If Pedro starts 10 minutes after Nita has begun, how many minutes are needed to mow the lawn? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #301782 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=301782\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Nita	90	minutes				<BR>\n" );
document.write( "she does	  1/90	of the job in 1 	minute			<BR>\n" );
document.write( "pedro	60	minutes				<BR>\n" );
document.write( "he does	  1/60	of thejob in 1 	minute			<BR>\n" );
document.write( "Together they will do   1/90+ 1/60	<BR>\n" );
document.write( "Together they will do   1/36 of the job in one 	minute\r<BR>\n" );
document.write( "\n" );
document.write( "in 10 minutes Nita does 10*1/90 of the job<BR>\n" );
document.write( "=1/9 of the job.<BR>\n" );
document.write( "Balance remaining when pedro joins = 1-1/9 = 8/9 of the job.\r<BR>\n" );
document.write( "\n" );
document.write( "they do 1/36 of the job in 1 minute<BR>\n" );
document.write( "for 8/9 of the job they will take<BR>\n" );
document.write( "(8/9)/(1/36)<BR>\n" );
document.write( "8/9*36/1<BR>\n" );
document.write( "=32 minutes<BR>\n" );
document.write( "=32 minutes to mow the lawn. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );