document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=758019>Question 758019</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Tina can completely weed her vegetable garden in 1hr and 30 min. Her friend marisa can do the same in 2 hrs. if they worked together, how long would it take?\r<BR>\n" );
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document.write( "I'm not sure what steps to go about using to complete this. I thought it might be done by using a system of equations but I think I would need more information in order to solve that. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #461187 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=461187\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Tina can completely weed her vegetable garden in 1hr and 30 min.<BR>\n" );
document.write( " Her friend marisa can do the same in 2 hrs.<BR>\n" );
document.write( " if they worked together, how long would it take? <BR>\n" );
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document.write( "Let t = the time required when working together (in hrs)<BR>\n" );
document.write( "Let the completed job = 1<BR>\n" );
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document.write( "Each will do a fraction of the job, the two fractions add up to 1<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2F1.5 ALIGN=MIDDLE  ALT=\"t%2F1.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2F2 ALIGN=MIDDLE  ALT=\"t%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( "multiply by 6 to get rid of the denominators, results<BR>\n" );
document.write( "4t + 3t = 6<BR>\n" );
document.write( "7t = 6<BR>\n" );
document.write( "t = 6/7 hrs, or converted to minutes: 6/7 * 60 = 51.4 minutes<BR>\n" );
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