Why is every number which ends in 5 divisible by 5?

Question

Is there more of an answer to this which is more than just 'it does'?

Answer 1

Well, it's only true in decimal ;)

That is the hint of observing this property: all digits that are in front add factors of 10, which is divisible by 10 and therefor also by 5. And that doesn't change anything in divisibility.