document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=232142>Question 232142</A>: <I><SPAN STYLE=\"word-break: break-all;\"> melissa can clean the house in 4hours, whereas her husband, zack, can do the same job in 5 hours. They have agreed to clean together so that they can finish in the to watch a movie on TV that starts in 2 hours. How long will it take them to clean the house together? Can they finish before the movie starts? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #171649 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=171649\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> melissa can clean the house in 4hours, whereas her husband, zack, can do the same job in 5 hours.<BR>\n" );
document.write( " They have agreed to clean together so that they can finish in the to watch a movie on TV that starts in 2 hours.<BR>\n" );
document.write( "How long will it take them to clean the house together? Can they finish before the movie starts?<BR>\n" );
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document.write( "Let t = time required working together<BR>\n" );
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document.write( "Let the completed job (a clean house) = 1<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2F4 ALIGN=MIDDLE  ALT=\"t%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2F5 ALIGN=MIDDLE  ALT=\"t%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( "multiply by 20<BR>\n" );
document.write( "5t + 4t = 20<BR>\n" );
document.write( "9t = 20<BR>\n" );
document.write( "t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2F9 ALIGN=MIDDLE  ALT=\"20%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = 2.22 hrs, so no they can't, they will be about 13 min late </SPAN>\n" );
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