Determine the total number of 8-digit base ten positive integers such that the sum of the four leftmost digits is equal to precisely 15 more than the sum of four rightmost digits.

*** Assume non leading zero for each of the numbers.

(In reply to re: Solution (barring errors) by Charlie)

Thanks.  Fixed.  Amazed I made no errors that affected my total.

Posted by Jer on 2015-09-28 16:41:01