document.write( "Question 911382: a carpenter can construct bookcases at a cost of 40 each. if the carpenter sells the bookcases for x dollars each, it is estimated that 300-2x bookcases will be sold per month. determine the selling price of each bookcase that will give the carpenter the greatest monthly profit. \n" ); document.write( "
Algebra.Com's Answer #553063 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a carpenter can construct bookcases at a cost of 40 each. if the carpenter sells the bookcases for x dollars each, it is estimated that 300-2x bookcases will be sold per month. determine the selling price of each bookcase that will give the carpenter the greatest monthly profit. \n" ); document.write( "------ \n" ); document.write( "Cost to produce 300-2x bookcases = 40(300-2x) = 12000-80x dollars \n" ); document.write( "-- \n" ); document.write( "Revenus when 300-2x bookcases are sold : (300-2x)x = 300x - 2x^2 \n" ); document.write( "----- \n" ); document.write( "Profit = (revenue-cost) = -2x^2 + 380x - 12000 \n" ); document.write( "---- \n" ); document.write( "Maximum profit occurs when x = -b/(2a) = -380/(2*-2) = 95 \n" ); document.write( "--------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=============== \n" ); document.write( " |