document.write( "Question 321769: The Valley High School student council is sponsoring a dance. They anticipate that 500 students will attend. The ticket price is $3.00, and they estimate that for every $0.20 increase in ticket price, 25 fewer students will attend. What ticket price will maximize the student council’s profit?
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document.write( "$3.25
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document.write( "$3.40
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document.write( "$3.50
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document.write( "$3.80
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document.write( "
Algebra.Com's Answer #230384 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The Valley High School student council is sponsoring a dance. They anticipate that 500 students will attend. The ticket price is $3.00, and they estimate that for every $0.20 increase in ticket price, 25 fewer students will attend. What ticket price will maximize the student council’s profit? \n" ); document.write( "---------------- \n" ); document.write( "Profit = price*# of tickets sold \n" ); document.write( "----- \n" ); document.write( "P(x) = (3+0.2x)(500-25x) \n" ); document.write( "--- \n" ); document.write( "P(x) = 1500 -75x + 100x - 5x^2 \n" ); document.write( "--- \n" ); document.write( "P(x) = -5x^2 + 25x + 1500 \n" ); document.write( "--- \n" ); document.write( "Max occurs when x = -b/2a = -25/-10 = 2.5 \n" ); document.write( "--- \n" ); document.write( "Price for max profit = 3+0.2(2.5) = $3.50 \n" ); document.write( "================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-----------------\r \n" ); document.write( "\n" ); document.write( "$3.25 \n" ); document.write( "$3.40 \n" ); document.write( "$3.50 \n" ); document.write( "$3.80 \n" ); document.write( " \n" ); document.write( " |