document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=85269>Question 85269</A>: <I><SPAN STYLE=\"word-break: break-all;\"> -I'm kind of stumped on this one. I know that I need to use newton law of cooling, but when I do it dosnt seem to work out right.-\r<BR>\n" );
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document.write( "The hotel Bora-Bora is having a pig roast. At noon, the chef puts the pig in a large earthen oven. The pig's original temperature is 75 degrees F. At 2:00 PM the chef checked the pigs temperature and was upset because it had reached only 100 degrees F. If the oven's temperature remains a constant 325 degrees F, at what time may the hotel serve its guests, assuming that pork is done when it reaches 175 degrees F? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #61478 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=61478\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> At noon, the chef puts the pig in a large earthen oven. The pig's original temperature is 75 degrees F. At 2:00 PM the chef checked the pigs temperature and was upset because it had reached only 100 degrees F. If the oven's temperature remains a constant 325 degrees F, at what time may the hotel serve its guests, assuming that pork is done when it reaches 175 degrees F?<BR>\n" );
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document.write( "You have two points: (0,75) and (2,100)<BR>\n" );
document.write( "Find the equation relating temperature and time in the oven.<BR>\n" );
document.write( "slope = [100-75]/[2-0] = 25/2 = 12.5<BR>\n" );
document.write( "intercept: 75 = 12.5*0+b; b=75<BR>\n" );
document.write( "EQUATION:<BR>\n" );
document.write( "temperature = 12.5x +75<BR>\n" );
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document.write( "When will the temp be 175?<BR>\n" );
document.write( "12.5x+75 = 175<BR>\n" );
document.write( "12.5x = 100<BR>\n" );
document.write( "x= 8 hours<BR>\n" );
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document.write( "Pork will be ready at 8:00 PM<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
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