document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=871669>Question 871669</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bus company has 4000 passengers daily, each paying a fare of $2. For each $0.15 increase, the company estimates that it will lose 40 passengers per day. <BR>\n" );
document.write( "- What fare will maximize the revenue? How many passengers will ride at this price?\r<BR>\n" );
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document.write( "I'm not sure if it's correct but I calculated 43.3 to be the price increases would maximize the revenue. What I did was plugged the 43.3 into the equation (2+0.15x) which is the cost of each item and (4000-40x)but i'm not sure if 8.50 is right for the fare and 2264 people will ride that day. Can you just check if I've done it right? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #525774 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=525774\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A bus company has 4000 passengers daily, each paying a fare of $2.<BR>\n" );
document.write( " For each $0.15 increase, the company estimates that it will lose 40 passengers per day. <BR>\n" );
document.write( "- What fare will maximize the revenue?<BR>\n" );
document.write( " How many passengers will ride at this price?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "I think you have this right, using (4000-40x)(2-.15x), equation I got an axis<BR>\n" );
document.write( "of symmetry of 43.3 also, A fare of $8.50, but I had 2268 passengers<BR>\n" );
document.write( "A revenue of 8.5 * 2268 = $1978<BR>\n" );
document.write( ":<BR>\n" );
document.write( "But you can prove this to yourself, find the revenue when the fare is .15 less with 40 more passengers.<BR>\n" );
document.write( " 8.35 * 2308 = $1971.80, slightly less<BR>\n" );
document.write( "and<BR>\n" );
document.write( "With a fare .15 more and 40 passengers less: 8.65 * 2228 = $1972.20, less also<BR>\n" );
document.write( "You obviously have the maximum  </SPAN>\n" );
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