You are designing a rectangular poster to contain 256 in^2 of printing with a 3-in. margin at the top and bottom and a 2-in. margin at each side. What overall dimensions will minimize the amount of paper used? (Round to the nearest whole inch if necessary)
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Expert's answer
2012-03-20T11:39:29-0400
It is known that 16² = 256, so we need an area that is 16x16 with a border. There are 2" on either side, so add 16+2+2 = 20 in. to get the width. The top is 3 nd the bottom is 2, so 16+3+2 = 21 in. is the height.
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