document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1092780>Question 1092780</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Beth could do P problems in 2 hours and Mollie could do X problems in H hours. How long would they have to work together to finish 400 problems? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #707398 by </B><A HREF=/tutors/aboutme.mpl?userid=jorel1380><B>jorel1380(3719)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jorel1380><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=jorel1380><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=707398\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If Beth can do P problems in 2 hours, and Mollie can do X problems in H hours, then, together they can do:<BR>\n" );
document.write( "P/2 + X/H problems per hour, or PH+2X. So, to do 400 problems, they would need:<BR>\n" );
document.write( "400/(PH+2X) hours<BR>\n" );
document.write( "&#9786;&#9786;&#9786;&#9786; </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );