document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=424136>Question 424136</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jack mows his lawn in six hours, Mary takes seven hours to mow the lawn.  If they work together how long would it take them? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #295786 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=295786\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jack mows his lawn in six hours, Mary takes seven hours to mow the lawn.<BR>\n" );
document.write( " If they work together how long would it take them?<BR>\n" );
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document.write( "Let t = time required if they both mow; (and each has a lawn mower)<BR>\n" );
document.write( "Let the completed job = 1 (a mowed lawn)<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2F6 ALIGN=MIDDLE  ALT=\"t%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <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;\" > = 1<BR>\n" );
document.write( "multiply by 42, to clear the denominators, results:<BR>\n" );
document.write( "7t + 6t = 42<BR>\n" );
document.write( "13t = 42<BR>\n" );
document.write( " t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=42%2F13 ALIGN=MIDDLE  ALT=\"42%2F13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = 3.23 hrs, or 3 + .23(60) ~ 3 hrs 14 min<BR>\n" );
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document.write( "Check solution<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.23%2F6 ALIGN=MIDDLE  ALT=\"3.23%2F6\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.23%2F7 ALIGN=MIDDLE  ALT=\"3.23%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" > =<BR>\n" );
document.write( ".54 + .46 = 1; confirms our solution of t = 3.23 hrs </SPAN>\n" );
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