document.write( "Question 206097: The floor of a hall 252 cm long,162cm wide is paved with equql squares .Find the largest size of marble and number required ,if only whole marbles are used. \n" ); document.write( "
Algebra.Com's Answer #155654 by RAY100(1637)\"\" \"About 
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Let's find the factors of each dimension
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\n" ); document.write( "252 factors to 2^2 * 3^2 *7
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\n" ); document.write( "and 162 factors to 2*3^4
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\n" ); document.write( "GCF = 2* 3^2 =18
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\n" ); document.write( "252/18 = 14 pieces......162/18=9 pieces
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\n" ); document.write( "total squares required is 14 *9 =126
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\n" ); document.write( "check, 18*18=324,,,252*162 = 40824,,,,,40824/324 = 126,,ok
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