SOLUTION: A rectangular garden is 14 ft. by 21 ft. and is bordered by a concrete walk 3 ft. wide as shown. How many square feet are in the surface area of just the concrete walk?
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Question 291247: A rectangular garden is 14 ft. by 21 ft. and is bordered by a concrete walk 3 ft. wide as shown. How many square feet are in the surface area of just the concrete walk? Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! (14+2*3)(21+2*3)-14*21
(14+6)(21+6)-294
20*27-294
540-294=246 ft^2 is the area of the border.
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