document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=167777>Question 167777</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In Florida, when there were 447 boats registered (in thousands) there were 13 manatees killed that year. During a year when there were 719 boats registered (in thousands) there were 47 manatees killed that year.  Assuming a linear relationship between boats registered and manatees killed, find a linear equation that describes the number of manatees killed with respect to boats registered. (discuss the meaning of the slope for this problem). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #123682 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=123682\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In Florida, when there were 447 boats registered (in thousands) there were 13 manatees killed that year. During a year when there were 719 boats registered (in thousands) there were 47 manatees killed that year. Assuming a linear relationship between boats registered and manatees killed, find a linear equation that describes the number of manatees killed with respect to boats registered. (discuss the meaning of the slope for this problem).<BR>\n" );
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document.write( "(447,13) and (719,47)<BR>\n" );
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document.write( "slope: (47-13)/(719-447) = 34/272 = 0.125 = 1/8<BR>\n" );
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document.write( "intercept: 13 = (1/8)447 + b<BR>\n" );
document.write( "b = -42.875<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "# killed = (1/8)(boats in thousands) - 42.875<BR>\n" );
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document.write( "Meaning of the slope.<BR>\n" );
document.write( "When number of boats increases by 1000, number of manatees killed increases <BR>\n" );
document.write( "by 1/8<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );