document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=259068>Question 259068</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The OfficeJet Printer can copy Maria's document in 8 minutes.  The LaserJet printer can copy the same document in 12 minutes.  If the two machines work together, how long would it take to copy the document? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #190913 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=190913\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The OfficeJet Printer can copy Maria's document in 8 minutes.<BR>\n" );
document.write( " The LaserJet printer can copy the same document in 12 minutes.<BR>\n" );
document.write( " If the two machines work together, how long would it take to copy the document?<BR>\n" );
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document.write( "Let t = time required when both machines work together<BR>\n" );
document.write( "Let the complete job = 1; (copying the document)<BR>\n" );
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document.write( "A typical shared work equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2F8 ALIGN=MIDDLE  ALT=\"t%2F8\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%2F12 ALIGN=MIDDLE  ALT=\"t%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 1<BR>\n" );
document.write( "Clear the denominators, multiply by 24, results:<BR>\n" );
document.write( "3t + 2t = 24(1)<BR>\n" );
document.write( "5t = 24<BR>\n" );
document.write( "t = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24%2F5 ALIGN=MIDDLE  ALT=\"24%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "t = 4.8 min or  4 min + .8(60) = 48 seconds<BR>\n" );
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document.write( "Check solution<BR>\n" );
document.write( "4.8/8 + 4.8/12 = <BR>\n" );
document.write( ".6 + .4 = 1  </SPAN>\n" );
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