document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=83262>Question 83262</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi! Please Help!\r<BR>\n" );
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document.write( "How do I turn this into an algebra problem???\r<BR>\n" );
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document.write( "Two copy machines are available to print documents. The newer copy machine can do my set of documents in 15 minutes. If both machines print at the same time, they can do this set of documents in 12 minutes.  How long would it take the older copy machine to do my documents?\r<BR>\n" );
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document.write( "Thank you.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #59779 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=59779\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Let x=amount of time for the older machine to do the job<BR>\n" );
document.write( "New machine can do (1/15) of the job per minute<BR>\n" );
document.write( "The old machine can do (1/x) of the job per minute\r<BR>\n" );
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document.write( "Working together they can do (1/15)+(1/x) of the job per minute and we are told that this equals (1/12).  So our equation to solve is:\r<BR>\n" );
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document.write( "(1/15)+(1/x)=(1/12)  multiply each term by 60x to get rid of fractions\r<BR>\n" );
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document.write( "4x+60=5x  subtract 4x from both sides<BR>\n" );
document.write( "4x-4x+60=5x-4x  collect like terms\r<BR>\n" );
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document.write( "x=60 minutes-----------------amount of time for the older machine to do the job\r<BR>\n" );
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document.write( "CK\r<BR>\n" );
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document.write( "(1/15)+(1/60)=(1/12)\r<BR>\n" );
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document.write( "(4/60)+(1/60)=5/60<BR>\n" );
document.write( "5/60=5/60\r<BR>\n" );
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document.write( "Hope this helps----ptaylor<BR>\n" );
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