document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206039>Question 206039</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hello, I have a question on linear equation that models the following situation:\r<BR>\n" );
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document.write( "The World of Frying Pans buys a computer for 4000 dollars. After 3 years the computer will be worth 400 dollars. What is the linear equation that relates the value of the computer(V) to the age of the computer(a)?<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 #155617 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=155617\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The World of Frying Pans buys a computer for 4000 dollars. After 3 years the computer will be worth 400 dollars. What is the linear equation that relates the value of the computer(V) to the age of the computer(a)?<BR>\n" );
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document.write( "You have two points relating time and cost: (0,4000), (3,400)<BR>\n" );
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document.write( "slope: (400-4000)/(3-0) = -1200<BR>\n" );
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document.write( "intercept: v(0) = 4000<BR>\n" );
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document.write( "Equation: v(a) = -1200a + 4000<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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