document.write( "Question 1202486: Word Problems involving Optimization (Derivatives)\r
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document.write( "A poster must have a printed area of 781.25 cm^2. It will have top and bottom margins that are 5 cm each, and side margins that are 4 cm each. If all the dimensions of the printed area are at least 25 cm but at most 35 cm, what are the dimensions of the whole poster with the smallest total area? Show your solution. \r
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Algebra.Com's Answer #837371 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The solution by @mananth, to which he refers, giving the answer x= 25 cm, y= 35 cm, \n" ); document.write( "is TOTALLY, ABSOLUTELY and FATALLY wrong,\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since the product 25*35 = 875 cm^2 is not the required 781.25 cm^2 (the printed area).\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |