document.write( "Question 194494: what is sum of all multiples of 6 that are strictly between 3138 and 51804?
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Algebra.Com's Answer #145951 by Edwin McCravy(20067) $\"\"$ $\"About$

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The multiples of 6 form an arithmetic sequence with common
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document.write( "3138 and 51804 are both multiples of 6.  However the fact that\r\n" );
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document.write( "it says \"strictly between 3138 and 51804\", we must begin with\r\n" );
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document.write( "the first multiple of 6 larger than than 3138, which is 3144.\r\n" );
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document.write( "Also we must end with largest multiple of 6 less than 51804,\r\n" );
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document.write( "which is 51798.  So,\r\n" );
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document.write( "The formula for the nth term is\r\n" );
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document.write( "The formula for the sum of the n terms \r\n" );
document.write( "of an arithmetic sequence is\r\n" );
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document.write( "Edwin

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