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 A wooden deck of uniform width will be constructed around a pool that is 30 feet by 20 feet. With the new decking, the area of the deck and the pool will be 1064 square feet. The wooden deck will cost $21 a square foot to build. Find the width of the deck and the cost of the deck construction.
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 20, $9744 |
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 5, $22,344 |
 4, $9744 |
 20, $420 |
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 Quadratic Equations |
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