document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1040732>Question 1040732</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mark takes 2 hours to clean 500 bottles,Flor takes 3 hours to clean 450 bottles.Working together,how long should it take them to clean 1,500 bottles? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #655633 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=655633\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Mark's rate is 500/2 = 250 bottles per hour.<BR>\n" );
document.write( "Flor's rate is 450/3 = 150 bottles per hour.\r<BR>\n" );
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document.write( "Let x = number of hours it would take them to clean working together.\r<BR>\n" );
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document.write( "==> (250+150)x = 1500\r<BR>\n" );
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document.write( "==> 400x = 1500 ==> x = 3.75 hours, or 3 hours and 45 minutes. </SPAN>\n" );
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