document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=989005>Question 989005</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Joy can do a job in 7 hours, while it takes Lucy only 5 hours to do same job. How long will it take them to do the same job if they work together?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #609523 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=609523\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Joy can do a job in 7 hours, while it takes Lucy only 5 hours to do same job.<BR>\n" );
document.write( " How long will it take them to do the same job if they work together?<BR>\n" );
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document.write( "let t = time required when working together<BR>\n" );
document.write( "let the completed job = 1<BR>\n" );
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document.write( "A shared work equation, each will do a fraction of the job, the two fractions add up to one<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2F7 ALIGN=MIDDLE  ALT=\"t%2F7\"   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 the least common factor of 7 and 5, 35:<BR>\n" );
document.write( "35*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2F7 ALIGN=MIDDLE  ALT=\"t%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > + 35*<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;\" > = 35<BR>\n" );
document.write( "Cancel the denominators<BR>\n" );
document.write( "5t + 7t = 35<BR>\n" );
document.write( "12t = 35<BR>\n" );
document.write( "t = 35/12<BR>\n" );
document.write( "t = 2<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=11%2F12 ALIGN=MIDDLE  ALT=\"11%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs which is 2 + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=11%2F12 ALIGN=MIDDLE  ALT=\"11%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" >*60 = 2 hrs 55 min </SPAN>\n" );
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