document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=592497>Question 592497</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please tell me HOW  to work this kind of problem!!\r<BR>\n" );
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document.write( "``60(m-15)this is the expression to solve the problems. I sure as heck cant get it to work.<BR>\n" );
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document.write( "A duplicating machine can produce 60 copies per minute, but the machine takes 15 minutes to warm up before any copies can be made.<BR>\n" );
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document.write( "1. If this machine produced 2500 copies how long was it on?<BR>\n" );
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document.write( "I need this problem to be worked step by step. I cant grasp it at all. Please helP!!!<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 #375972 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=375972\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 60 copies / minute\r<BR>\n" );
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document.write( "Let the number of minutes it worked be m\r<BR>\n" );
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document.write( "0.25 hours for warming up.\r<BR>\n" );
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document.write( "Total time worked = (m-15) minutes\r<BR>\n" );
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document.write( "Total copies produced = 2500\r<BR>\n" );
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document.write( "60 copies/minute\r<BR>\n" );
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document.write( "2500= 60(m-15)\r<BR>\n" );
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document.write( "2500/60 = m-15\r<BR>\n" );
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document.write( "m= (2500/60 )+15\r<BR>\n" );
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document.write( "m= 56.66 minutes including warmup time\r<BR>\n" );
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