document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=919617>Question 919617</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A local zoo found that if the price of admission was $19, the attendance was about 1000 customers per week.  When the price of admission was dropped to $8, attendance increased to about 2600 per week.  Write a linear equation for the attendance in terms of the price, p. ( A = mp + b ). What is the equation? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #557831 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39616)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=557831\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Goal is to find attendance versus price relationship.<BR>\n" );
document.write( "One known point is (19,1000), the coordinate being attendees and dollars for one attendee.<BR>\n" );
document.write( "The next data pair would correspond to p=8 and A=2600 for the point (8,2600).\r<BR>\n" );
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document.write( "A linear fit is wanted.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=%282600-1000%29%2F%288-19%29=1600%2F%28-11%29=-%281600%2F11%29 ALIGN=MIDDLE  ALT=\"m=%282600-1000%29%2F%288-19%29=1600%2F%28-11%29=-%281600%2F11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Pick either point to help compute the vertical axis intercept.<BR>\n" );
document.write( "Using (19,1000) and the slope m found,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=A-mp ALIGN=MIDDLE  ALT=\"b=A-mp\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=1000-%28-1600%2F11%29%2A19 ALIGN=MIDDLE  ALT=\"b=1000-%28-1600%2F11%29%2A19\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=1000%2B19%2A1600%2F11 ALIGN=MIDDLE  ALT=\"b=1000%2B19%2A1600%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=3763.636363636363636 ALIGN=MIDDLE  ALT=\"b=3763.636363636363636\"   DISABLED_style= \"max-width:90%; height:auto;\" >, needs better expressing.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=3763%267%2F11 ALIGN=MIDDLE  ALT=\"b=3763%267%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "These attendance values can only be approximate, so no harm in taking the nearest integer of 3764.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28A=-%281600%2F11%29p%2B3764%29 ALIGN=MIDDLE  ALT=\"highlight%28A=-%281600%2F11%29p%2B3764%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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