SOLUTION: A swimming pool is 30 feet wide and 60 feet long. If it is surrounded by square tiles, each of which is 1 foot by 1 foot, how many tiles are there surrounding the pool?

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Question 913296: A swimming pool is 30 feet wide and 60 feet long. If it is surrounded by square tiles, each of which is 1 foot by 1 foot, how many tiles are there surrounding the pool?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The perimeter is
+P+=+2%2A30+%2B+2%2A60+
+P+=+60+%2B+120+
+P+=+180+
There are 180 1' by 1' tiles plus
+4+ more for the corners, so
there are:
+180+%2B+4+=+184+ tiles