document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=881193>Question 881193</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A copier was purchased by a company for $7,500.  After 5 years it is estimated that the value of the copier will be $4,500.  If the value in dollars V and the time the copier has been in use t are related by a linear equation, find the equation that relates V and t. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #532143 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=532143\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=0 ALIGN=MIDDLE  ALT=\"t=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V=7500 ALIGN=MIDDLE  ALT=\"V=7500\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "At <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=5 ALIGN=MIDDLE  ALT=\"t=5\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V=4500 ALIGN=MIDDLE  ALT=\"V=4500\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Find the slope, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28DELTA%2AV%29%2F%28DELTA%2At%29=%284500-7500%29%2F%285-0%29=-3000%2F5=-600 ALIGN=MIDDLE  ALT=\"%28DELTA%2AV%29%2F%28DELTA%2At%29=%284500-7500%29%2F%285-0%29=-3000%2F5=-600\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Then use the point slope form of a line,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V-7500=-600%28t-0%29 ALIGN=MIDDLE  ALT=\"V-7500=-600%28t-0%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=V=7500-600t ALIGN=MIDDLE  ALT=\"V=7500-600t\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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