End in 2015, part 2
Number Theory
Level
5
\(S\) is a 4-digit number which, when multiplied by 995, yields a product that ends in 2015.
What is sum of all such possible \(S\)?
Example: 2916 is a number which when multiplied by 107, yields 312012, which ends in 2012.
This question is from the set starts, ends, never ends in 2015.
by
Chan Lye Lee