document.write( "Question 1125350: A theater can seat 270 people. The number of rows is 3 less than the number of seats in each row. How many rows of seats are there? \n" ); document.write( "
Algebra.Com's Answer #741673 by ikleyn(52818)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "            Mental solution is possible.\r
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document.write( "We need to find a decomposition of the number 270 into the product of two positive integer numbers that differ by 3.\r\n" );
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document.write( "In addition, these factors should be close enough to  \"sqrt%28270%29\", which is about 17.\r\n" );
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document.write( "Having these two hints, it is the matter of seconds to find the decomposition\r\n" );
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document.write( "    270 = 15*18.\r\n" );
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document.write( "Answer.  The number of rows is 15.\r\n" );
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