document.write( "Question 629300: a manufacturer determines that the profit in dollars for manufacturing n units is P= 3n^2-30n-170. (Assume that n is a postive integer) How many units are produced when the profit is $430? \n" ); document.write( "

Algebra.Com's Answer #396188 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "P= 3n^2-30n-170
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document.write( "P = $430
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document.write( " 430 = 3n^2 - 30n - 170
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document.write( "OR
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document.write( " 3n^2 -30n - 600 =  0 
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document.write( "  n^2 - 10n - 200 = 0
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document.write( "factoring
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document.write( " (n - 20)(n + 10) = 0    ||ony positive solution is appropriate
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document.write( "    n = 20, number of units produced when the profit is $430 \n" );
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