document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=147634>Question 147634</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "An item costs $900, has a scrap value of $50, and a useful life of five years.  The linear equation relating book value and number of years is:\r<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 #108093 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=108093\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An item costs $900, has a scrap value of $50, and a useful life of five years.  The linear equation relating book value and number of years is:<BR>\n" );
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document.write( "You have two points: (0,900) and (5,50)<BR>\n" );
document.write( "slope = (50-900)/(5-0) = -850/5 = -170<BR>\n" );
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document.write( "intercept = 900<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "book value = -170x + 900 where x is the number of years from 0 to 5<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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