document.write( "Question 1089249: A swimming pool is 50 feet wide and 30 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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Algebra.Com's Answer #703588 by ikleyn(52781) $\"\"$ $\"About$

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document.write( "(50+2)*(30+2) - 50*30 = 164.\r\n" );
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document.write( "It is the area (in square feet) of the strip of the wide 1 ft surrounding the pool,\r\n" );
document.write( "and it is, in the same time, the number of tiles.\r\n" );
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document.write( "Answer. 164 tiles.\r\n" );
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\n" ); document.write( "\n" ); document.write( "For similar problems, see the lesson\r
\n" ); document.write( "\n" ); document.write( " - Problems on the area and the dimensions of a rectangle surrounded by a strip\r
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