document.write( "Question 418580: A movie theater is filled to capacity with 400 people.
\n" ); document.write( "After the movie ends, people start leaving at the rate of 50 each
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\n" ); document.write( "(a) Find an equation for N, the number of people in the theater, as a function of t, the number of minutes after the movie
\n" ); document.write( "ends. Enter your answer as an equation, such as N = 5t -1.\r
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\n" ); document.write( "\n" ); document.write( "(b) For what values of t does the equation make sense in practical terms.
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Algebra.Com's Answer #292897 by mananth(16949)\"\" \"About 
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N= 400-50t\r
\n" ); document.write( "\n" ); document.write( "When N= 0
\n" ); document.write( "400 = 50t
\n" ); document.write( "t=400/50
\n" ); document.write( "t=8 minutes.
\n" ); document.write( "After 8 minutes the theater is empty.
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