A poster is to have an area of 240 in2 with 1 inch margins at the bottom and sides and a 2 inch margin at the top.  Find the exact dimensions that will give the largest printed area. Width and height? 

Expert Answers

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Let the dimensions of the poster are L and W.

==> Then the area of the poster is :

A = L*W = 240

Now the dimensions with margins are:

Bottom and top : (w-2)

sides : (L-3)

==> Now the area is:


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