document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1159268>Question 1159268</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The Diver Time company makes digital watches for scuba divers. The company models its profits with the function P(d) = 2d^2 + 13d -6 , where d is the number of watches sold, in hundreds, and P(d) is the company’s profit, in tens of thousands of dollars.\r<BR>\n" );
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document.write( "a. how much profit is made when a 100,000 watches are sold?<BR>\n" );
document.write( "b. how many watches must the company sell in order to break even? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #852223 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52778)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=852223\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "The Diver Time company makes digital watches for scuba divers. The company models its profits with the function <BR>\n" );
document.write( "P(d) = 2d^2 + 13d -6 , where d is the number of watches sold, in hundreds, and P(d) is the company’s profit, <BR>\n" );
document.write( "in tens of thousands of dollars.<BR>\n" );
document.write( "a. how much profit is made when a 100,000 watches are sold?<BR>\n" );
document.write( "b. how many watches must the company sell in order to break even?<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The solution and calculations by @MowMow in his post for part &nbsp;(a) &nbsp;are &nbsp;INCORRECT.\r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;I came to bring a correct solution.\r<BR>\n" );
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document.write( "<PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "We are given that 100,000 watches are sold.  100,000 is  1000  hundreds,\r\n" );
document.write( "so, we should substitute 1000 for 'd' into the formula \r\n" );
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document.write( "    P(1000) = 2*1000^2 + 13*1000 - 6 = 2012994.\r\n" );
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document.write( "So, the profit is  2012994  in tens of thousands of dollars, or  20,129,940,000  dollars.\r\n" );
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document.write( "<U>ANSWER to part (a)</U>.  The profit is 20,129,940,000 dollars.\r\n" );
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document.write( "Solved correctly.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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