document.write( "Question 1173375: A small manufacturing makes and sells x machines each month. The monthly cost, C ,in dollars, of making x dollars is given by
\n" ); document.write( "C(x)= 0.35x^2 + 3200
\n" ); document.write( "The monthly revenue, R, in dollars, obtained by selling x machines is given by
\n" ); document.write( "R(x)= 180x - 0.55x^2\r
\n" ); document.write( "\n" ); document.write( "If the company does maximum profit what is the selling price of each machine?
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Algebra.Com's Answer #801557 by CubeyThePenguin(3113)\"\" \"About 
You can put this solution on YOUR website!
Profit is revenue minus cost.\r
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\n" ); document.write( "\n" ); document.write( "\"R%28x%29+-+C%28x%29+=+%28180x+-+0.55x%5E2%29+-+%280.35x%5E2+%2B+3200%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"-0.9x%5E2+%2B+180x+-+3200\"\r
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\n" ); document.write( "\n" ); document.write( "The maximum is at -b/2a = 100.\r
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\n" ); document.write( "\n" ); document.write( "The selling price of every machine is R(x) divided by x, or 125 dollars.
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