[sokoloff]

I read the second statement ("the bottle itself is 9 kopecks more expensive than the cork.") as:

Bottle = 9 + Cork

Your statement (Bottle = 9 * Cork) would be "the bottle is 9 times as expensive as the cork".

I solve it to:

Bottle = 9.5 Kopecks.

Cork = 0.5 Kopecks.