document.write( "Question 1197291: Construct a 5 x 5 Magic Square, starting with number 5 and with a common difference of 4 \n" ); document.write( "

Algebra.Com's Answer #830651 by Edwin McCravy(20056) $\"\"$ $\"About$

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document.write( "Start with the easy 5 x 5 magic square, where the sum of the numbers on each\r\n" );
document.write( "row, column, and diagonal is 15.\r\n" );
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document.write( "1  2  3  4  5\r\n" );
document.write( "3  4  5  1  2\r\n" );
document.write( "5  1  2  3  4\r\n" );
document.write( "2  3  4  5  1\r\n" );
document.write( "4  5  1  2  3\r\n" );
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document.write( "You want the top row to become 5  9 13 17 21, with difference 4 and beginning\r\n" );
document.write( "with 5.\r\n" );
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document.write( "So replace every 1,2,3,4,5, respectively, by 5,9,13,17,21, respectively.\r\n" );
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document.write( " 5  9 13 17 21\r\n" );
document.write( "13 17 21  5  9\r\n" );
document.write( "21  5  9 13 17\r\n" );
document.write( " 9 13 17 21  5\r\n" );
document.write( "17 21  5  9 13\r\n" );
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document.write( "Now the top row is an arithmetic sequence with first term 5 and difference 4.\r\n" );
document.write( "The sum of the numbers on each row, column, and diagonal is 65.    \r\n" );
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document.write( "Edwin

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