Pre-Calculus Word Problem Advice sought

snakeyesxlaw

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Sep 8, 2007
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could somebody help set this word problem up;

A factory is to be built on a lot measuring 50 feet by 100 feet. A local building code specifies that a lawn of uniform width and equal in area to the factory must surround the factory. What must the width of the lawn be, and what are the dimensions of the factory?

Using x for the width of the lawn, write an expression for the area A(x) of the factory.
 
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